56511075 has 24 divisors (see below), whose sum is σ = 93900736. Its totient is φ = 29988000.

The previous prime is 56511029. The next prime is 56511089. The reversal of 56511075 is 57011565.

It is not a de Polignac number, because 56511075 - 2⁷ = 56510947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14040 + ... + 17610.

Almost surely, 2^56511075 is an apocalyptic number.

56511075 is a deficient number, since it is larger than the sum of its proper divisors (37389661).

56511075 is a wasteful number, since it uses less digits than its factorization.

56511075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795 (or 3790 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 56511075 is about 7517.3848511301. The cubic root of 56511075 is about 383.7465843719.

The spelling of 56511075 in words is "fifty-six million, five hundred eleven thousand, seventy-five".