57261752 has 8 divisors (see below), whose sum is σ = 107365800. Its totient is φ = 28630872.

The previous prime is 57261739. The next prime is 57261779. The reversal of 57261752 is 25716275.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3578852 + ... + 3578867.

It is an arithmetic number, because the mean of its divisors is an integer number (13420725).

Almost surely, 2^57261752 is an apocalyptic number.

It is an amenable number.

57261752 is a deficient number, since it is larger than the sum of its proper divisors (50104048).

57261752 is a wasteful number, since it uses less digits than its factorization.

57261752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157725 (or 7157721 counting only the distinct ones).

The product of its digits is 29400, while the sum is 35.

The square root of 57261752 is about 7567.1495293803. The cubic root of 57261752 is about 385.4383089297.

The spelling of 57261752 in words is "fifty-seven million, two hundred sixty-one thousand, seven hundred fifty-two".