57218030352 has 120 divisors (see below), whose sum is σ = 184819152960. Its totient is φ = 16186118400.

The previous prime is 57218030323. The next prime is 57218030369. The reversal of 57218030352 is 25303081275.

It is a happy number.

57218030352 is a `hidden beast` number, since 572 + 1 + 8 + 0 + 30 + 3 + 52 = 666.

57218030352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179202 + ... + 382817.

It is an arithmetic number, because the mean of its divisors is an integer number (1540159608).

Almost surely, 2^57218030352 is an apocalyptic number.

It is an amenable number.

57218030352 is an abundant number, since it is smaller than the sum of its proper divisors (127601122608).

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

57218030352 is a wasteful number, since it uses less digits than its factorization.

57218030352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562141 (or 562132 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 57218030352 in words is "fifty-seven billion, two hundred eighteen million, thirty thousand, three hundred fifty-two".