57409377 has 4 divisors (see below), whose sum is σ = 76545840. Its totient is φ = 38272916.

The previous prime is 57409369. The next prime is 57409397. The reversal of 57409377 is 77390475.

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 a cyclic number.

It is not a de Polignac number, because 57409377 - 2³ = 57409369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57409337) 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, 9568227 + ... + 9568232.

It is an arithmetic number, because the mean of its divisors is an integer number (19136460).

Almost surely, 2^57409377 is an apocalyptic number.

It is an amenable number.

57409377 is a deficient number, since it is larger than the sum of its proper divisors (19136463).

57409377 is a wasteful number, since it uses less digits than its factorization.

57409377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19136462.

The product of its (nonzero) digits is 185220, while the sum is 42.

The square root of 57409377 is about 7576.8975841039. The cubic root of 57409377 is about 385.7692541100.

The spelling of 57409377 in words is "fifty-seven million, four hundred nine thousand, three hundred seventy-seven".