57072508437 has 16 divisors (see below), whose sum is σ = 88192530432. Its totient is φ = 32153525040.

The previous prime is 57072508433. The next prime is 57072508459. The reversal of 57072508437 is 73480527075.

57072508437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57072508437 - 2² = 57072508433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57072508433) 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, 19137513 + ... + 19140494.

It is an arithmetic number, because the mean of its divisors is an integer number (5512033152).

Almost surely, 2^57072508437 is an apocalyptic number.

It is an amenable number.

57072508437 is a deficient number, since it is larger than the sum of its proper divisors (31120021995).

57072508437 is a wasteful number, since it uses less digits than its factorization.

57072508437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38278088.

The product of its (nonzero) digits is 1646400, while the sum is 48.

The spelling of 57072508437 in words is "fifty-seven billion, seventy-two million, five hundred eight thousand, four hundred thirty-seven".