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54809600 = 210522141
BaseRepresentation
bin1101000100010…
…1010000000000
310211010121122012
43101011100000
5103012401400
65234432052
71233605516
oct321052000
9124117565
1054809600
1128a3629a
1216432628
13b480621
1473ca4b6
154c29d35
hex3445400

54809600 has 66 divisors (see below), whose sum is σ = 135924894. Its totient is φ = 21913600.

The previous prime is 54809597. The next prime is 54809603. The reversal of 54809600 is 690845.

It is an interprime number because it is at equal distance from previous prime (54809597) and next prime (54809603).

It can be written as a sum of positive squares in 3 ways, for example, as 14258176 + 40551424 = 3776^2 + 6368^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54809603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24530 + ... + 26670.

Almost surely, 254809600 is an apocalyptic number.

54809600 is a gapful number since it is divisible by the number (50) 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 54809600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67962447).

54809600 is an abundant number, since it is smaller than the sum of its proper divisors (81115294).

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

54809600 is a wasteful number, since it uses less digits than its factorization.

54809600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 54809600 is about 7403.3505928059. The cubic root of 54809600 is about 379.8559010421.

The spelling of 54809600 in words is "fifty-four million, eight hundred nine thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 1024 1280 1600 2141 2560 3200 4282 5120 6400 8564 10705 12800 17128 21410 25600 34256 42820 53525 68512 85640 107050 137024 171280 214100 274048 342560 428200 548096 685120 856400 1096192 1370240 1712800 2192384 2740480 3425600 5480960 6851200 10961920 13702400 27404800 54809600