56164137 has 16 divisors (see below), whose sum is σ = 80051328. Its totient is φ = 34939520.

The previous prime is 56164127. The next prime is 56164159. The reversal of 56164137 is 73146165.

It is a cyclic number.

It is not a de Polignac number, because 56164137 - 2¹⁹ = 55639849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56164098 and 56164107.

It is not an unprimeable number, because it can be changed into a prime (56164117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7098 + ... + 12755.

It is an arithmetic number, because the mean of its divisors is an integer number (5003208).

Almost surely, 2^56164137 is an apocalyptic number.

It is an amenable number.

56164137 is a deficient number, since it is larger than the sum of its proper divisors (23887191).

56164137 is a wasteful number, since it uses less digits than its factorization.

56164137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19920.

The product of its digits is 15120, while the sum is 33.

The square root of 56164137 is about 7494.2736139001. The cubic root of 56164137 is about 382.9596609843.

The spelling of 56164137 in words is "fifty-six million, one hundred sixty-four thousand, one hundred thirty-seven".