57708534 has 16 divisors (see below), whose sum is σ = 124295472. Its totient is φ = 17756448.

The previous prime is 57708517. The next prime is 57708559. The reversal of 57708534 is 43580775.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 57708492 and 57708501.

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, 369849 + ... + 370004.

It is an arithmetic number, because the mean of its divisors is an integer number (7768467).

Almost surely, 2^57708534 is an apocalyptic number.

57708534 is an abundant number, since it is smaller than the sum of its proper divisors (66586938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57708534 is a wasteful number, since it uses less digits than its factorization.

57708534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739871.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 57708534 is about 7596.6133243703. The cubic root of 57708534 is about 386.4381674466.

The spelling of 57708534 in words is "fifty-seven million, seven hundred eight thousand, five hundred thirty-four".