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2555552550500 = 225310150605001
BaseRepresentation
bin100101001100000010110…
…011010100111001100100
3100001022022211222112011222
4211030002303110321210
5313332232423104000
65234001000115512
7352426655161145
oct45140263247144
910038284875158
102555552550500
118a5892878744
12353349465b98
13156cab904ab1
148b991a19acc
1546720ba5a85
hex25302cd4e64

2555552550500 has 48 divisors (see below), whose sum is σ = 5636587542768. Its totient is φ = 1012100000000.

The previous prime is 2555552550479. The next prime is 2555552550521. The reversal of 2555552550500 is 50552555552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2555552550479) and next prime (2555552550521).

It can be written as a sum of positive squares in 8 ways, for example, as 289708756516 + 2265843793984 = 538246^2 + 1505272^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25252001 + ... + 25353000.

It is an arithmetic number, because the mean of its divisors is an integer number (117428907141).

Almost surely, 22555552550500 is an apocalyptic number.

2555552550500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555552550500 is an abundant number, since it is smaller than the sum of its proper divisors (3081034992268).

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

2555552550500 is a wasteful number, since it uses less digits than its factorization.

2555552550500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50605121 (or 50605109 counting only the distinct ones).

The product of its (nonzero) digits is 1562500, while the sum is 44.

The spelling of 2555552550500 in words is "two trillion, five hundred fifty-five billion, five hundred fifty-two million, five hundred fifty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101 125 202 250 404 500 505 1010 2020 2525 5050 10100 12625 25250 50500 50605001 101210002 202420004 253025005 506050010 1012100020 1265125025 2530250050 5060500100 5111105101 6325625125 10222210202 12651250250 20444420404 25302500500 25555525505 51111051010 102222102020 127777627525 255555255050 511110510100 638888137625 1277776275250 2555552550500