56577946 has 16 divisors (see below), whose sum is σ = 86184000. Its totient is φ = 27852448.

The previous prime is 56577931. The next prime is 56577947. The reversal of 56577946 is 64977565.

It is a self number, because there is not a number n which added to its sum of digits gives 56577946.

It is not an unprimeable number, because it can be changed into a prime (56577947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94155 + ... + 94753.

It is an arithmetic number, because the mean of its divisors is an integer number (5386500).

Almost surely, 2^56577946 is an apocalyptic number.

56577946 is a deficient number, since it is larger than the sum of its proper divisors (29606054).

56577946 is a wasteful number, since it uses less digits than its factorization.

56577946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253.

The product of its digits is 1587600, while the sum is 49.

The square root of 56577946 is about 7521.8312929765. The cubic root of 56577946 is about 383.8978904213.

The spelling of 56577946 in words is "fifty-six million, five hundred seventy-seven thousand, nine hundred forty-six".