57290960 has 20 divisors (see below), whose sum is σ = 133201668. Its totient is φ = 22916352.

The previous prime is 57290957. The next prime is 57290971. The reversal of 57290960 is 6909275.

It can be written as a sum of positive squares in 2 ways, for example, as 8737936 + 48553024 = 2956^2 + 6968^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 357989 + ... + 358148.

Almost surely, 2^57290960 is an apocalyptic number.

It is an amenable number.

57290960 is an abundant number, since it is smaller than the sum of its proper divisors (75910708).

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

57290960 is a wasteful number, since it uses less digits than its factorization.

57290960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716150 (or 716144 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 57290960 is about 7569.0792042361. The cubic root of 57290960 is about 385.5038324140.

The spelling of 57290960 in words is "fifty-seven million, two hundred ninety thousand, nine hundred sixty".