57308503680 has 96 divisors (see below), whose sum is σ = 197893446660. Its totient is φ = 15282266112.

The previous prime is 57308503669. The next prime is 57308503691. The reversal of 57308503680 is 8630580375.

57308503680 is a `hidden beast` number, since 57 + 30 + 8 + 503 + 68 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (57308503669) and next prime (57308503691).

It can be written as a sum of positive squares in 2 ways, for example, as 56647808064 + 660695616 = 238008^2 + 25704^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4968937 + ... + 4980456.

Almost surely, 2^57308503680 is an apocalyptic number.

It is an amenable number.

57308503680 is an abundant number, since it is smaller than the sum of its proper divisors (140584942980).

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

57308503680 is a wasteful number, since it uses less digits than its factorization.

57308503680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9949418 (or 9949403 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 57308503680 in words is "fifty-seven billion, three hundred eight million, five hundred three thousand, six hundred eighty".