57053566 has 4 divisors (see below), whose sum is σ = 85580352. Its totient is φ = 28526782.

The previous prime is 57053533. The next prime is 57053567. The reversal of 57053566 is 66535075.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57053567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14263390 + ... + 14263393.

It is an arithmetic number, because the mean of its divisors is an integer number (21395088).

Almost surely, 2^57053566 is an apocalyptic number.

57053566 is a deficient number, since it is larger than the sum of its proper divisors (28526786).

57053566 is a wasteful number, since it uses less digits than its factorization.

57053566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28526785.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 57053566 is about 7553.3810972306. The cubic root of 57053566 is about 384.9706302440.

The spelling of 57053566 in words is "fifty-seven million, fifty-three thousand, five hundred sixty-six".