57057567 has 8 divisors (see below), whose sum is σ = 86944896. Its totient is φ = 32604312.

The previous prime is 57057547. The next prime is 57057569. The reversal of 57057567 is 76575075.

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

It is not a de Polignac number, because 57057567 - 2⁷ = 57057439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57057569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358493 + ... + 1358534.

It is an arithmetic number, because the mean of its divisors is an integer number (10868112).

Almost surely, 2^57057567 is an apocalyptic number.

57057567 is a deficient number, since it is larger than the sum of its proper divisors (29887329).

57057567 is a wasteful number, since it uses less digits than its factorization.

57057567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717037.

The product of its (nonzero) digits is 257250, while the sum is 42.

The square root of 57057567 is about 7553.6459408686. The cubic root of 57057567 is about 384.9796289891.

The spelling of 57057567 in words is "fifty-seven million, fifty-seven thousand, five hundred sixty-seven".