56277137 has 6 divisors (see below), whose sum is σ = 65465298. Its totient is φ = 48237504.

The previous prime is 56277127. The next prime is 56277161. The reversal of 56277137 is 73177265.

56277137 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 only one way, i.e., 37258816 + 19018321 = 6104^2 + 4361^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56277137 is a prime.

It is a super-2 number, since 2×56277137² = 6334232297833538, which contains 22 as substring.

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 56277137.

It is not an unprimeable number, because it can be changed into a prime (56277127) 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 5 ways as a sum of consecutive naturals, for example, 574208 + ... + 574305.

It is an arithmetic number, because the mean of its divisors is an integer number (10910883).

Almost surely, 2^56277137 is an apocalyptic number.

It is an amenable number.

56277137 is a deficient number, since it is larger than the sum of its proper divisors (9188161).

56277137 is a wasteful number, since it uses less digits than its factorization.

56277137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148527 (or 1148520 counting only the distinct ones).

The product of its digits is 61740, while the sum is 38.

The square root of 56277137 is about 7501.8089151884. The cubic root of 56277137 is about 383.2163221103.

The spelling of 56277137 in words is "fifty-six million, two hundred seventy-seven thousand, one hundred thirty-seven".