57425636647 has 16 divisors (see below), whose sum is σ = 58813171200. Its totient is φ = 56057976000.

The previous prime is 57425636633. The next prime is 57425636711. The reversal of 57425636647 is 74663652475.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 57425636647 - 2³⁵ = 23065898279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57425636747) 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, 2706004 + ... + 2727142.

It is an arithmetic number, because the mean of its divisors is an integer number (3675823200).

Almost surely, 2^57425636647 is an apocalyptic number.

57425636647 is a deficient number, since it is larger than the sum of its proper divisors (1387534553).

57425636647 is a wasteful number, since it uses less digits than its factorization.

57425636647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21606.

The product of its digits is 25401600, while the sum is 55.

The spelling of 57425636647 in words is "fifty-seven billion, four hundred twenty-five million, six hundred thirty-six thousand, six hundred forty-seven".