56573976 has 16 divisors (see below), whose sum is σ = 141435000. Its totient is φ = 18857984.

The previous prime is 56573971. The next prime is 56573981. The reversal of 56573976 is 67937565.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56573971) and next prime (56573981).

It is a super-2 number, since 2×56573976² = 6401229520897152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56573971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178601 + ... + 1178648.

Almost surely, 2^56573976 is an apocalyptic number.

It is an amenable number.

56573976 is an abundant number, since it is smaller than the sum of its proper divisors (84861024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56573976 is a wasteful number, since it uses less digits than its factorization.

56573976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357258 (or 2357254 counting only the distinct ones).

The product of its digits is 1190700, while the sum is 48.

The square root of 56573976 is about 7521.5673898463. The cubic root of 56573976 is about 383.8889110081. Note that the first 3 decimals are identical.

The spelling of 56573976 in words is "fifty-six million, five hundred seventy-three thousand, nine hundred seventy-six".