57554860 has 72 divisors (see below), whose sum is σ = 140767200. Its totient is φ = 19683840.

The previous prime is 57554839. The next prime is 57554863. The reversal of 57554860 is 6845575.

It is not an unprimeable number, because it can be changed into a prime (57554863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40441 + ... + 41839.

It is an arithmetic number, because the mean of its divisors is an integer number (1955100).

Almost surely, 2^57554860 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 57554860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70383600).

57554860 is an abundant number, since it is smaller than the sum of its proper divisors (83212340).

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

57554860 is a wasteful number, since it uses less digits than its factorization.

57554860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 57554860 is about 7586.4919429207. The cubic root of 57554860 is about 386.0948427760.

The spelling of 57554860 in words is "fifty-seven million, five hundred fifty-four thousand, eight hundred sixty".