56577575 has 12 divisors (see below), whose sum is σ = 70672560. Its totient is φ = 44928960.

The previous prime is 56577571. The next prime is 56577589. The reversal of 56577575 is 57577565.

It is not a de Polignac number, because 56577575 - 2² = 56577571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56577571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4835 + ... + 11684.

It is an arithmetic number, because the mean of its divisors is an integer number (5889380).

Almost surely, 2^56577575 is an apocalyptic number.

56577575 is a deficient number, since it is larger than the sum of its proper divisors (14094985).

56577575 is a wasteful number, since it uses less digits than its factorization.

56577575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16666 (or 16661 counting only the distinct ones).

The product of its digits is 1286250, while the sum is 47.

The square root of 56577575 is about 7521.8066313885. The cubic root of 56577575 is about 383.8970513050.

The spelling of 56577575 in words is "fifty-six million, five hundred seventy-seven thousand, five hundred seventy-five".