57167493 has 4 divisors (see below), whose sum is σ = 76223328. Its totient is φ = 38111660.

The previous prime is 57167471. The next prime is 57167507. The reversal of 57167493 is 39476175.

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 57167493 - 2⁹ = 57166981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57167423) 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, 9527913 + ... + 9527918.

It is an arithmetic number, because the mean of its divisors is an integer number (19055832).

Almost surely, 2^57167493 is an apocalyptic number.

It is an amenable number.

57167493 is a deficient number, since it is larger than the sum of its proper divisors (19055835).

57167493 is a wasteful number, since it uses less digits than its factorization.

57167493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19055834.

The product of its digits is 158760, while the sum is 42.

The square root of 57167493 is about 7560.9187933743. The cubic root of 57167493 is about 385.2267018128.

The spelling of 57167493 in words is "fifty-seven million, one hundred sixty-seven thousand, four hundred ninety-three".