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2555053920 = 253251819803
BaseRepresentation
bin1001100001001011…
…0000011101100000
320121001210012001200
42120102300131200
520213043211140
61101311401200
7120213412536
oct23022603540
96531705050
102555053920
1110a1296911
125b3823200
13319467033
141a34a2156
15ee4a3030
hex984b0760

2555053920 has 144 divisors (see below), whose sum is σ = 8768187792. Its totient is φ = 677514240.

The previous prime is 2555053909. The next prime is 2555053931. The reversal of 2555053920 is 293505552.

2555053920 is a `hidden beast` number, since 2 + 55 + 50 + 539 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (2555053909) and next prime (2555053931).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255739 + ... + 265541.

It is an arithmetic number, because the mean of its divisors is an integer number (60890193).

Almost surely, 22555053920 is an apocalyptic number.

2555053920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555053920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4384093896).

2555053920 is an abundant number, since it is smaller than the sum of its proper divisors (6213133872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2555053920 is a wasteful number, since it uses less digits than its factorization.

2555053920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005 (or 9994 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The square root of 2555053920 is about 50547.5411864910. The cubic root of 2555053920 is about 1367.0991812367.

The spelling of 2555053920 in words is "two billion, five hundred fifty-five million, fifty-three thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 181 240 288 360 362 480 543 720 724 905 1086 1440 1448 1629 1810 2172 2715 2896 3258 3620 4344 5430 5792 6516 7240 8145 8688 9803 10860 13032 14480 16290 17376 19606 21720 26064 28960 29409 32580 39212 43440 49015 52128 58818 65160 78424 86880 88227 98030 117636 130320 147045 156848 176454 196060 235272 260640 294090 313696 352908 392120 441135 470544 588180 705816 784240 882270 941088 1176360 1411632 1568480 1764540 1774343 2352720 2823264 3529080 3548686 4705440 5323029 7058160 7097372 8871715 10646058 14116320 14194744 15969087 17743430 21292116 26615145 28389488 31938174 35486860 42584232 53230290 56778976 63876348 70973720 79845435 85168464 106460580 127752696 141947440 159690870 170336928 212921160 255505392 283894880 319381740 425842320 511010784 638763480 851684640 1277526960 2555053920