57044947627 has 4 divisors (see below), whose sum is σ = 58371574360. Its totient is φ = 55718320896.

The previous prime is 57044947607. The next prime is 57044947649. The reversal of 57044947627 is 72674944075.

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 57044947627 - 2²⁷ = 56910729899 is a prime.

It is a super-2 number, since 2×57044947627² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57044947607) 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, 663313302 + ... + 663313387.

It is an arithmetic number, because the mean of its divisors is an integer number (14592893590).

Almost surely, 2^57044947627 is an apocalyptic number.

57044947627 is a deficient number, since it is larger than the sum of its proper divisors (1326626733).

57044947627 is a wasteful number, since it uses less digits than its factorization.

57044947627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326626732.

The product of its (nonzero) digits is 11854080, while the sum is 55.

The spelling of 57044947627 in words is "fifty-seven billion, forty-four million, nine hundred forty-seven thousand, six hundred twenty-seven".