56677737 has 4 divisors (see below), whose sum is σ = 75570320. Its totient is φ = 37785156.

The previous prime is 56677721. The next prime is 56677739. The reversal of 56677737 is 73777665.

It is a happy number.

56677737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 56677737 - 2⁴ = 56677721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56677739) 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 3 ways as a sum of consecutive naturals, for example, 9446287 + ... + 9446292.

It is an arithmetic number, because the mean of its divisors is an integer number (18892580).

Almost surely, 2^56677737 is an apocalyptic number.

It is an amenable number.

56677737 is a deficient number, since it is larger than the sum of its proper divisors (18892583).

56677737 is a wasteful number, since it uses less digits than its factorization.

56677737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18892582.

The product of its digits is 1296540, while the sum is 48.

The square root of 56677737 is about 7528.4617950814. The cubic root of 56677737 is about 384.1234615489.

The spelling of 56677737 in words is "fifty-six million, six hundred seventy-seven thousand, seven hundred thirty-seven".