57053457 has 8 divisors (see below), whose sum is σ = 84523680. Its totient is φ = 38035620.

The previous prime is 57053449. The next prime is 57053461. The reversal of 57053457 is 75435075.

57053457 is a `hidden beast` number, since 5 + 70 + 534 + 57 = 666.

It is not a de Polignac number, because 57053457 - 2³ = 57053449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57053407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056519 + ... + 1056572.

It is an arithmetic number, because the mean of its divisors is an integer number (10565460).

Almost surely, 2^57053457 is an apocalyptic number.

It is an amenable number.

57053457 is a deficient number, since it is larger than the sum of its proper divisors (27470223).

57053457 is a wasteful number, since it uses less digits than its factorization.

57053457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113100 (or 2113094 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 57053457 is about 7553.3738819153. The cubic root of 57053457 is about 384.9703850836.

The spelling of 57053457 in words is "fifty-seven million, fifty-three thousand, four hundred fifty-seven".