57942580 has 24 divisors (see below), whose sum is σ = 125876520. Its totient is φ = 22377600.

The previous prime is 57942559. The next prime is 57942581. The reversal of 57942580 is 8524975.

It can be written as a sum of positive squares in 4 ways, for example, as 20903184 + 37039396 = 4572^2 + 6086^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57942581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49371 + ... + 50530.

It is an arithmetic number, because the mean of its divisors is an integer number (5244855).

Almost surely, 2^57942580 is an apocalyptic number.

It is an amenable number.

57942580 is an abundant number, since it is smaller than the sum of its proper divisors (67933940).

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

57942580 is a wasteful number, since it uses less digits than its factorization.

57942580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99939 (or 99937 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 57942580 is about 7612.0023646870. The cubic root of 57942580 is about 386.9598829566.

The spelling of 57942580 in words is "fifty-seven million, nine hundred forty-two thousand, five hundred eighty".