57240680 has 32 divisors (see below), whose sum is σ = 147191040. Its totient is φ = 19625280.

The previous prime is 57240661. The next prime is 57240691. The reversal of 57240680 is 8604275.

57240680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101936 + ... + 102495.

It is an arithmetic number, because the mean of its divisors is an integer number (4599720).

Almost surely, 2^57240680 is an apocalyptic number.

It is an amenable number.

57240680 is an abundant number, since it is smaller than the sum of its proper divisors (89950360).

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

57240680 is a wasteful number, since it uses less digits than its factorization.

57240680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204449 (or 204445 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 57240680 is about 7565.7570672075. The cubic root of 57240680 is about 385.3910234250.

The spelling of 57240680 in words is "fifty-seven million, two hundred forty thousand, six hundred eighty".