56391796 has 12 divisors (see below), whose sum is σ = 98794080. Its totient is φ = 28164920.

The previous prime is 56391793. The next prime is 56391827. The reversal of 56391796 is 69719365.

It is a super-2 number, since 2×56391796² = 6360069312211232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56391793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3376 + ... + 11143.

It is an arithmetic number, because the mean of its divisors is an integer number (8232840).

Almost surely, 2^56391796 is an apocalyptic number.

It is an amenable number.

56391796 is a deficient number, since it is larger than the sum of its proper divisors (42402284).

56391796 is a wasteful number, since it uses less digits than its factorization.

56391796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15494 (or 15492 counting only the distinct ones).

The product of its digits is 306180, while the sum is 46.

The square root of 56391796 is about 7509.4471167989. The cubic root of 56391796 is about 383.4764004523.

The spelling of 56391796 in words is "fifty-six million, three hundred ninety-one thousand, seven hundred ninety-six".