57312706507 has 4 divisors (see below), whose sum is σ = 65500236016. Its totient is φ = 49125177000.

The previous prime is 57312706499. The next prime is 57312706519. The reversal of 57312706507 is 70560721375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57312706507 - 2³ = 57312706499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57312700507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4093764744 + ... + 4093764757.

It is an arithmetic number, because the mean of its divisors is an integer number (16375059004).

Almost surely, 2^57312706507 is an apocalyptic number.

57312706507 is a deficient number, since it is larger than the sum of its proper divisors (8187529509).

57312706507 is an equidigital number, since it uses as much as digits as its factorization.

57312706507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8187529508.

The product of its (nonzero) digits is 308700, while the sum is 43.

The spelling of 57312706507 in words is "fifty-seven billion, three hundred twelve million, seven hundred six thousand, five hundred seven".