57307842522 has 128 divisors (see below), whose sum is σ = 155051366400. Its totient is φ = 15324847488.

The previous prime is 57307842517. The next prime is 57307842523. The reversal of 57307842522 is 22524870375.

57307842522 is a `hidden beast` number, since 57 + 3 + 0 + 78 + 4 + 2 + 522 = 666.

It is not an unprimeable number, because it can be changed into a prime (57307842523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 548038 + ... + 644174.

It is an arithmetic number, because the mean of its divisors is an integer number (1211338800).

Almost surely, 2^57307842522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57307842522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77525683200).

57307842522 is an abundant number, since it is smaller than the sum of its proper divisors (97743523878).

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

57307842522 is a wasteful number, since it uses less digits than its factorization.

57307842522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96257 (or 96251 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The spelling of 57307842522 in words is "fifty-seven billion, three hundred seven million, eight hundred forty-two thousand, five hundred twenty-two".