57484521 has 12 divisors (see below), whose sum is σ = 86643648. Its totient is φ = 36656664.

The previous prime is 57484517. The next prime is 57484543. The reversal of 57484521 is 12548475.

57484521 is a `hidden beast` number, since 57 + 4 + 84 + 521 = 666.

It is not a de Polignac number, because 57484521 - 2² = 57484517 is a prime.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (57484561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138645 + ... + 139058.

It is an arithmetic number, because the mean of its divisors is an integer number (7220304).

Almost surely, 2^57484521 is an apocalyptic number.

It is an amenable number.

57484521 is a deficient number, since it is larger than the sum of its proper divisors (29159127).

57484521 is a wasteful number, since it uses less digits than its factorization.

57484521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277732 (or 277729 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 57484521 is about 7581.8547203175. The cubic root of 57484521 is about 385.9374937938.

The spelling of 57484521 in words is "fifty-seven million, four hundred eighty-four thousand, five hundred twenty-one".