57550480 has 40 divisors (see below), whose sum is σ = 144100152. Its totient is φ = 21249024.

The previous prime is 57550459. The next prime is 57550489. The reversal of 57550480 is 8405575.

It can be written as a sum of positive squares in 4 ways, for example, as 215296 + 57335184 = 464^2 + 7572^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (57550489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26629 + ... + 28708.

Almost surely, 2^57550480 is an apocalyptic number.

It is an amenable number.

57550480 is an abundant number, since it is smaller than the sum of its proper divisors (86549672).

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

57550480 is a wasteful number, since it uses less digits than its factorization.

57550480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55363 (or 55357 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 57550480 is about 7586.2032664568. The cubic root of 57550480 is about 386.0850484203.

The spelling of 57550480 in words is "fifty-seven million, five hundred fifty thousand, four hundred eighty".