57257068 has 12 divisors (see below), whose sum is σ = 109309032. Its totient is φ = 26025920.

The previous prime is 57257059. The next prime is 57257069. The reversal of 57257068 is 86075275.

It is a self number, because there is not a number n which added to its sum of digits gives 57257068.

It is not an unprimeable number, because it can be changed into a prime (57257069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650605 + ... + 650692.

It is an arithmetic number, because the mean of its divisors is an integer number (9109086).

Almost surely, 2^57257068 is an apocalyptic number.

It is an amenable number.

57257068 is a deficient number, since it is larger than the sum of its proper divisors (52051964).

57257068 is a wasteful number, since it uses less digits than its factorization.

57257068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301312 (or 1301310 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 57257068 is about 7566.8400273826. The cubic root of 57257068 is about 385.4277990506.

The spelling of 57257068 in words is "fifty-seven million, two hundred fifty-seven thousand, sixty-eight".