56675137 has 4 divisors (see below), whose sum is σ = 56744496. Its totient is φ = 56605780.

The previous prime is 56675131. The next prime is 56675141. The reversal of 56675137 is 73157665.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56675137 - 2²³ = 48286529 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56675137.

It is not an unprimeable number, because it can be changed into a prime (56675131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33439 + ... + 35092.

It is an arithmetic number, because the mean of its divisors is an integer number (14186124).

Almost surely, 2^56675137 is an apocalyptic number.

It is an amenable number.

56675137 is a deficient number, since it is larger than the sum of its proper divisors (69359).

56675137 is an equidigital number, since it uses as much as digits as its factorization.

56675137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69358.

The product of its digits is 132300, while the sum is 40.

The square root of 56675137 is about 7528.2891150646. The cubic root of 56675137 is about 384.1175877771.

The spelling of 56675137 in words is "fifty-six million, six hundred seventy-five thousand, one hundred thirty-seven".