57644423039 has 8 divisors (see below), whose sum is σ = 66713256960. Its totient is φ = 48784068216.

The previous prime is 57644423033. The next prime is 57644423047. The reversal of 57644423039 is 93032444675.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57644423039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57644422984 and 57644423002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57644423033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52119179 + ... + 52120284.

It is an arithmetic number, because the mean of its divisors is an integer number (8339157120).

Almost surely, 2^57644423039 is an apocalyptic number.

57644423039 is a deficient number, since it is larger than the sum of its proper divisors (9068833921).

57644423039 is a wasteful number, since it uses less digits than its factorization.

57644423039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104239549.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 57644423039 in words is "fifty-seven billion, six hundred forty-four million, four hundred twenty-three thousand, thirty-nine".