56615156 has 12 divisors (see below), whose sum is σ = 106697892. Its totient is φ = 26130048.

The previous prime is 56615131. The next prime is 56615159. The reversal of 56615156 is 65151665.

It can be written as a sum of positive squares in 2 ways, for example, as 17926756 + 38688400 = 4234^2 + 6220^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56615159) 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, 544325 + ... + 544428.

It is an arithmetic number, because the mean of its divisors is an integer number (8891491).

Almost surely, 2^56615156 is an apocalyptic number.

It is an amenable number.

56615156 is a deficient number, since it is larger than the sum of its proper divisors (50082736).

56615156 is a wasteful number, since it uses less digits than its factorization.

56615156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088770 (or 1088768 counting only the distinct ones).

The product of its digits is 27000, while the sum is 35.

The square root of 56615156 is about 7524.3043532276. The cubic root of 56615156 is about 383.9820322177.

The spelling of 56615156 in words is "fifty-six million, six hundred fifteen thousand, one hundred fifty-six".