57047365 has 4 divisors (see below), whose sum is σ = 68456844. Its totient is φ = 45637888.

The previous prime is 57047357. The next prime is 57047387. The reversal of 57047365 is 56374075.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41977441 + 15069924 = 6479^2 + 3882^2 .

It is a cyclic number.

It is not a de Polignac number, because 57047365 - 2³ = 57047357 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 3 ways as a sum of consecutive naturals, for example, 5704732 + ... + 5704741.

It is an arithmetic number, because the mean of its divisors is an integer number (17114211).

Almost surely, 2^57047365 is an apocalyptic number.

It is an amenable number.

57047365 is a deficient number, since it is larger than the sum of its proper divisors (11409479).

57047365 is a wasteful number, since it uses less digits than its factorization.

57047365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11409478.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 57047365 is about 7552.9706076484. The cubic root of 57047365 is about 384.9566825948.

The spelling of 57047365 in words is "fifty-seven million, forty-seven thousand, three hundred sixty-five".