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56285165 = 511257033
BaseRepresentation
bin1101011010110…
…1011111101101
310220220120201202
43112231133231
5103402111130
65330215245
71252262456
oct326553755
9126816652
1056285165
1129853972
1216a24525
13b879141
14769212d
154e1c145
hex35ad7ed

56285165 has 4 divisors (see below), whose sum is σ = 67542204. Its totient is φ = 45028128.

The previous prime is 56285153. The next prime is 56285167. The reversal of 56285165 is 56158265.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19245769 + 37039396 = 4387^2 + 6086^2 .

It is a cyclic number.

It is not a de Polignac number, because 56285165 - 26 = 56285101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56285167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5628512 + ... + 5628521.

It is an arithmetic number, because the mean of its divisors is an integer number (16885551).

Almost surely, 256285165 is an apocalyptic number.

It is an amenable number.

56285165 is a deficient number, since it is larger than the sum of its proper divisors (11257039).

56285165 is a wasteful number, since it uses less digits than its factorization.

56285165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11257038.

The product of its digits is 72000, while the sum is 38.

The square root of 56285165 is about 7502.3439670546. The cubic root of 56285165 is about 383.2345433308.

The spelling of 56285165 in words is "fifty-six million, two hundred eighty-five thousand, one hundred sixty-five".

Divisors: 1 5 11257033 56285165