57247260 has 48 divisors (see below), whose sum is σ = 183192576. Its totient is φ = 13084992.

The previous prime is 57247259. The next prime is 57247273. The reversal of 57247260 is 6274275.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67732 + ... + 68571.

It is an arithmetic number, because the mean of its divisors is an integer number (3816512).

Almost surely, 2^57247260 is an apocalyptic number.

It is an amenable number.

57247260 is an abundant number, since it is smaller than the sum of its proper divisors (125945316).

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

57247260 is a wasteful number, since it uses less digits than its factorization.

57247260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136322 (or 136320 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 57247260 is about 7566.1919087478. The cubic root of 57247260 is about 385.4057901711.

The spelling of 57247260 in words is "fifty-seven million, two hundred forty-seven thousand, two hundred sixty".