57308303556 has 288 divisors, whose sum is σ = 175983575040. Its totient is φ = 15371845632.

The previous prime is 57308303551. The next prime is 57308303567. The reversal of 57308303556 is 65530380375.

It is not an unprimeable number, because it can be changed into a prime (57308303551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 117675945 + ... + 117676431.

It is an arithmetic number, because the mean of its divisors is an integer number (611054080).

Almost surely, 2^57308303556 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 57308303556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87991787520).

57308303556 is an abundant number, since it is smaller than the sum of its proper divisors (118675271484).

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

57308303556 is a wasteful number, since it uses less digits than its factorization.

57308303556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 57308303556 in words is "fifty-seven billion, three hundred eight million, three hundred three thousand, five hundred fifty-six".