57645260 has 24 divisors (see below), whose sum is σ = 124328400. Its totient is φ = 22434624.

The previous prime is 57645251. The next prime is 57645271. The reversal of 57645260 is 6254675.

It is a self number, because there is not a number n which added to its sum of digits gives 57645260.

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, 38210 + ... + 39689.

It is an arithmetic number, because the mean of its divisors is an integer number (5180350).

Almost surely, 2^57645260 is an apocalyptic number.

It is an amenable number.

57645260 is an abundant number, since it is smaller than the sum of its proper divisors (66683140).

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

57645260 is a wasteful number, since it uses less digits than its factorization.

57645260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77945 (or 77943 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 57645260 is about 7592.4475632038. The cubic root of 57645260 is about 386.2968802522.

The spelling of 57645260 in words is "fifty-seven million, six hundred forty-five thousand, two hundred sixty".