56529916 has 12 divisors (see below), whose sum is σ = 100321200. Its totient is φ = 27866720.

The previous prime is 56529911. The next prime is 56529923. The reversal of 56529916 is 61992565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56529911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99241 + ... + 99808.

It is an arithmetic number, because the mean of its divisors is an integer number (8360100).

Almost surely, 2^56529916 is an apocalyptic number.

It is an amenable number.

56529916 is a deficient number, since it is larger than the sum of its proper divisors (43791284).

56529916 is a wasteful number, since it uses less digits than its factorization.

56529916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199124 (or 199122 counting only the distinct ones).

The product of its digits is 145800, while the sum is 43.

The square root of 56529916 is about 7518.6379085576. The cubic root of 56529916 is about 383.7892271402.

The spelling of 56529916 in words is "fifty-six million, five hundred twenty-nine thousand, nine hundred sixteen".