56157696 has 120 divisors (see below), whose sum is σ = 185334864. Its totient is φ = 16035840.

The previous prime is 56157683. The next prime is 56157701. The reversal of 56157696 is 69675165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31386 + ... + 33126.

Almost surely, 2^56157696 is an apocalyptic number.

56157696 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56157696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92667432).

56157696 is an abundant number, since it is smaller than the sum of its proper divisors (129177168).

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

56157696 is a wasteful number, since it uses less digits than its factorization.

56157696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1753 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 56157696 is about 7493.8438734737. The cubic root of 56157696 is about 382.9450209334.

The spelling of 56157696 in words is "fifty-six million, one hundred fifty-seven thousand, six hundred ninety-six".