57057406 has 16 divisors (see below), whose sum is σ = 103566816. Its totient is φ = 23014656.

The previous prime is 57057383. The next prime is 57057419. The reversal of 57057406 is 60475075.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119631 + ... + 120106.

It is an arithmetic number, because the mean of its divisors is an integer number (6472926).

Almost surely, 2^57057406 is an apocalyptic number.

57057406 is a deficient number, since it is larger than the sum of its proper divisors (46509410).

57057406 is a wasteful number, since it uses less digits than its factorization.

57057406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239763.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 57057406 is about 7553.6352837558. The cubic root of 57057406 is about 384.9792668882.

The spelling of 57057406 in words is "fifty-seven million, fifty-seven thousand, four hundred six".