56139368 has 16 divisors (see below), whose sum is σ = 105502500. Its totient is φ = 28005376.

The previous prime is 56139361. The next prime is 56139371. The reversal of 56139368 is 86393165.

56139368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 46267204 + 9872164 = 6802^2 + 3142^2 .

It is not an unprimeable number, because it can be changed into a prime (56139361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4223 + ... + 11406.

Almost surely, 2^56139368 is an apocalyptic number.

It is an amenable number.

56139368 is a deficient number, since it is larger than the sum of its proper divisors (49363132).

56139368 is a wasteful number, since it uses less digits than its factorization.

56139368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16084 (or 16080 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 56139368 is about 7492.6209032621. The cubic root of 56139368 is about 382.9033562372.

The spelling of 56139368 in words is "fifty-six million, one hundred thirty-nine thousand, three hundred sixty-eight".