57961280 has 56 divisors (see below), whose sum is σ = 148647912. Its totient is φ = 21399552.

The previous prime is 57961261. The next prime is 57961297. The reversal of 57961280 is 8216975.

It can be written as a sum of positive squares in 4 ways, for example, as 13017664 + 44943616 = 3608^2 + 6704^2 .

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, 2807 + ... + 11126.

It is an arithmetic number, because the mean of its divisors is an integer number (2654427).

Almost surely, 2^57961280 is an apocalyptic number.

It is an amenable number.

57961280 is an abundant number, since it is smaller than the sum of its proper divisors (90686632).

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

57961280 is a wasteful number, since it uses less digits than its factorization.

57961280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13963 (or 13953 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 57961280 is about 7613.2305889156. The cubic root of 57961280 is about 387.0015067590.

The spelling of 57961280 in words is "fifty-seven million, nine hundred sixty-one thousand, two hundred eighty".