57808306540 has 48 divisors (see below), whose sum is σ = 128560213152. Its totient is φ = 21759446016.

The previous prime is 57808306537. The next prime is 57808306541. The reversal of 57808306540 is 4560380875.

57808306540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57808306541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2817559 + ... + 2838001.

It is an arithmetic number, because the mean of its divisors is an integer number (2678337774).

Almost surely, 2^57808306540 is an apocalyptic number.

It is an amenable number.

57808306540 is an abundant number, since it is smaller than the sum of its proper divisors (70751906612).

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

57808306540 is a wasteful number, since it uses less digits than its factorization.

57808306540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28786 (or 28784 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 57808306540 in words is "fifty-seven billion, eight hundred eight million, three hundred six thousand, five hundred forty".