56775365 has 8 divisors (see below), whose sum is σ = 69792408. Its totient is φ = 44312320.

The previous prime is 56775347. The next prime is 56775371. The reversal of 56775365 is 56357765.

It can be written as a sum of positive squares in 4 ways, for example, as 134689 + 56640676 = 367^2 + 7526^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56775365 - 2²⁰ = 55726789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138272 + ... + 138681.

It is an arithmetic number, because the mean of its divisors is an integer number (8724051).

Almost surely, 2^56775365 is an apocalyptic number.

It is an amenable number.

56775365 is a deficient number, since it is larger than the sum of its proper divisors (13017043).

56775365 is a wasteful number, since it uses less digits than its factorization.

56775365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276999.

The product of its digits is 661500, while the sum is 44.

The square root of 56775365 is about 7534.9429327633. The cubic root of 56775365 is about 384.3438872739.

The spelling of 56775365 in words is "fifty-six million, seven hundred seventy-five thousand, three hundred sixty-five".