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56611025 = 5210721163
BaseRepresentation
bin1101011111110…
…1000011010001
310221112010201122
43113331003101
5103443023100
65341212025
71255120502
oct327750321
9127463648
1056611025
1129a56779
1216b61015
13b961563
147738ba9
154e83985
hex35fd0d1

56611025 has 12 divisors (see below), whose sum is σ = 70857072. Its totient is φ = 44863440.

The previous prime is 56611007. The next prime is 56611039. The reversal of 56611025 is 52011665.

It is a de Polignac number, because none of the positive numbers 2k-56611025 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56610985 and 56611003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7907 + ... + 13256.

It is an arithmetic number, because the mean of its divisors is an integer number (5904756).

Almost surely, 256611025 is an apocalyptic number.

It is an amenable number.

56611025 is a deficient number, since it is larger than the sum of its proper divisors (14246047).

56611025 is a wasteful number, since it uses less digits than its factorization.

56611025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21280 (or 21275 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 56611025 is about 7524.0298377930. The cubic root of 56611025 is about 383.9726927377.

The spelling of 56611025 in words is "fifty-six million, six hundred eleven thousand, twenty-five".

Divisors: 1 5 25 107 535 2675 21163 105815 529075 2264441 11322205 56611025