56983156 has 6 divisors (see below), whose sum is σ = 99720530. Its totient is φ = 28491576.

The previous prime is 56983151. The next prime is 56983159. The reversal of 56983156 is 65138965.

It can be written as a sum of positive squares in only one way, i.e., 47472100 + 9511056 = 6890^2 + 3084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56983151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7122891 + ... + 7122898.

Almost surely, 2^56983156 is an apocalyptic number.

It is an amenable number.

56983156 is a deficient number, since it is larger than the sum of its proper divisors (42737374).

56983156 is a wasteful number, since it uses less digits than its factorization.

56983156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14245793 (or 14245791 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

The square root of 56983156 is about 7548.7188316959. The cubic root of 56983156 is about 384.8122005315.

The spelling of 56983156 in words is "fifty-six million, nine hundred eighty-three thousand, one hundred fifty-six".