57486880 has 96 divisors (see below), whose sum is σ = 150232320. Its totient is φ = 20613120.

The previous prime is 57486859. The next prime is 57486881. The reversal of 57486880 is 8868475.

It is a self number, because there is not a number n which added to its sum of digits gives 57486880.

It is not an unprimeable number, because it can be changed into a prime (57486881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156457 + ... + 156823.

It is an arithmetic number, because the mean of its divisors is an integer number (1564920).

Almost surely, 2^57486880 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 57486880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75116160).

57486880 is an abundant number, since it is smaller than the sum of its proper divisors (92745440).

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

57486880 is a wasteful number, since it uses less digits than its factorization.

57486880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 57486880 is about 7582.0102875161. The cubic root of 57486880 is about 385.9427729778.

The spelling of 57486880 in words is "fifty-seven million, four hundred eighty-six thousand, eight hundred eighty".