56778936 has 16 divisors (see below), whose sum is σ = 141947400. Its totient is φ = 18926304.

The previous prime is 56778923. The next prime is 56778977. The reversal of 56778936 is 63987765.

It is a congruent number.

It is an unprimeable number.

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, 1182871 + ... + 1182918.

Almost surely, 2^56778936 is an apocalyptic number.

It is an amenable number.

56778936 is an abundant number, since it is smaller than the sum of its proper divisors (85168464).

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

56778936 is a wasteful number, since it uses less digits than its factorization.

56778936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365798 (or 2365794 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The square root of 56778936 is about 7535.1798916814. The cubic root of 56778936 is about 384.3519451305.

The spelling of 56778936 in words is "fifty-six million, seven hundred seventy-eight thousand, nine hundred thirty-six".