57056367 has 4 divisors (see below), whose sum is σ = 76075160. Its totient is φ = 38037576.

The previous prime is 57056347. The next prime is 57056383. The reversal of 57056367 is 76365075.

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

It is not a de Polignac number, because 57056367 - 2²² = 52862063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57056347) 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, 9509392 + ... + 9509397.

It is an arithmetic number, because the mean of its divisors is an integer number (19018790).

Almost surely, 2^57056367 is an apocalyptic number.

57056367 is a deficient number, since it is larger than the sum of its proper divisors (19018793).

57056367 is a wasteful number, since it uses less digits than its factorization.

57056367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19018792.

The product of its (nonzero) digits is 132300, while the sum is 39.

The square root of 57056367 is about 7553.5665086104. The cubic root of 57056367 is about 384.9769300844.

The spelling of 57056367 in words is "fifty-seven million, fifty-six thousand, three hundred sixty-seven".