56977286 has 16 divisors (see below), whose sum is σ = 89249040. Its totient is φ = 27246240.

The previous prime is 56977253. The next prime is 56977307. The reversal of 56977286 is 68277965.

It is a super-2 number, since 2×56977286² = 6492822239851592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616 + ... + 10796.

It is an arithmetic number, because the mean of its divisors is an integer number (5578065).

Almost surely, 2^56977286 is an apocalyptic number.

56977286 is a deficient number, since it is larger than the sum of its proper divisors (32271754).

56977286 is a wasteful number, since it uses less digits than its factorization.

56977286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9319.

The product of its digits is 1270080, while the sum is 50.

The square root of 56977286 is about 7548.3300139832. The cubic root of 56977286 is about 384.7989865378.

The spelling of 56977286 in words is "fifty-six million, nine hundred seventy-seven thousand, two hundred eighty-six".