56155475 has 6 divisors (see below), whose sum is σ = 69632820. Its totient is φ = 44924360.

The previous prime is 56155457. The next prime is 56155493. The reversal of 56155475 is 57455165.

It is an interprime number because it is at equal distance from previous prime (56155457) and next prime (56155493).

It is not a de Polignac number, because 56155475 - 2⁸ = 56155219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1123085 + ... + 1123134.

It is an arithmetic number, because the mean of its divisors is an integer number (11605470).

Almost surely, 2^56155475 is an apocalyptic number.

56155475 is a deficient number, since it is larger than the sum of its proper divisors (13477345).

56155475 is a wasteful number, since it uses less digits than its factorization.

56155475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246229 (or 2246224 counting only the distinct ones).

The product of its digits is 105000, while the sum is 38.

The square root of 56155475 is about 7493.6956837064. The cubic root of 56155475 is about 382.9399724588.

The spelling of 56155475 in words is "fifty-six million, one hundred fifty-five thousand, four hundred seventy-five".