56137394 has 16 divisors (see below), whose sum is σ = 85310496. Its totient is φ = 27703200.

The previous prime is 56137339. The next prime is 56137397. The reversal of 56137394 is 49373165.

It is a happy number.

56137394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56137394² = 6302814010222472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56137397) 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 7 ways as a sum of consecutive naturals, for example, 57329 + ... + 58299.

It is an arithmetic number, because the mean of its divisors is an integer number (5331906).

Almost surely, 2^56137394 is an apocalyptic number.

56137394 is a deficient number, since it is larger than the sum of its proper divisors (29173102).

56137394 is a wasteful number, since it uses less digits than its factorization.

56137394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321.

The product of its digits is 68040, while the sum is 38.

The square root of 56137394 is about 7492.4891724980. The cubic root of 56137394 is about 382.8988682393.

The spelling of 56137394 in words is "fifty-six million, one hundred thirty-seven thousand, three hundred ninety-four".