56965737 has 4 divisors (see below), whose sum is σ = 75954320. Its totient is φ = 37977156.

The previous prime is 56965721. The next prime is 56965747. The reversal of 56965737 is 73756965.

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 not a de Polignac number, because 56965737 - 2⁴ = 56965721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56965747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9494287 + ... + 9494292.

It is an arithmetic number, because the mean of its divisors is an integer number (18988580).

Almost surely, 2^56965737 is an apocalyptic number.

It is an amenable number.

56965737 is a deficient number, since it is larger than the sum of its proper divisors (18988583).

56965737 is a wasteful number, since it uses less digits than its factorization.

56965737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18988582.

The product of its digits is 1190700, while the sum is 48.

The square root of 56965737 is about 7547.5649715653. The cubic root of 56965737 is about 384.7729858622.

The spelling of 56965737 in words is "fifty-six million, nine hundred sixty-five thousand, seven hundred thirty-seven".