56161575 has 18 divisors (see below), whose sum is σ = 100592024. Its totient is φ = 29952720.

The previous prime is 56161543. The next prime is 56161577. The reversal of 56161575 is 57516165.

It is not a de Polignac number, because 56161575 - 2⁵ = 56161543 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56161577) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 124579 + ... + 125028.

Almost surely, 2^56161575 is an apocalyptic number.

56161575 is a deficient number, since it is larger than the sum of its proper divisors (44430449).

56161575 is a wasteful number, since it uses less digits than its factorization.

56161575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249623 (or 249615 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 56161575 is about 7494.1026814423. The cubic root of 56161575 is about 382.9538378284.

The spelling of 56161575 in words is "fifty-six million, one hundred sixty-one thousand, five hundred seventy-five".