57053260 has 96 divisors (see below), whose sum is σ = 138200832. Its totient is φ = 19595520.

The previous prime is 57053233. The next prime is 57053273. The reversal of 57053260 is 6235075.

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 31 ways as a sum of consecutive naturals, for example, 349939 + ... + 350101.

It is an arithmetic number, because the mean of its divisors is an integer number (1439592).

Almost surely, 2^57053260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57053260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69100416).

57053260 is an abundant number, since it is smaller than the sum of its proper divisors (81147572).

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

57053260 is a wasteful number, since it uses less digits than its factorization.

57053260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 57053260 is about 7553.3608413739. The cubic root of 57053260 is about 384.9699419947.

The spelling of 57053260 in words is "fifty-seven million, fifty-three thousand, two hundred sixty".