56137907 has 16 divisors (see below), whose sum is σ = 65318400. Its totient is φ = 47256000.

The previous prime is 56137903. The next prime is 56137909. The reversal of 56137907 is 70973165.

56137907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56137907 - 2² = 56137903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56137901) 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 15 ways as a sum of consecutive naturals, for example, 156194 + ... + 156552.

It is an arithmetic number, because the mean of its divisors is an integer number (4082400).

Almost surely, 2^56137907 is an apocalyptic number.

56137907 is a deficient number, since it is larger than the sum of its proper divisors (9180493).

56137907 is a wasteful number, since it uses less digits than its factorization.

56137907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 56137907 is about 7492.5234067035. The cubic root of 56137907 is about 382.9000345832.

The spelling of 56137907 in words is "fifty-six million, one hundred thirty-seven thousand, nine hundred seven".