57331137646 has 4 divisors (see below), whose sum is σ = 85996706472. Its totient is φ = 28665568822.

The previous prime is 57331137629. The next prime is 57331137679. The reversal of 57331137646 is 64673113375.

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

It is a junction number, because it is equal to n+sod(n) for n = 57331137596 and 57331137605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14332784410 + ... + 14332784413.

It is an arithmetic number, because the mean of its divisors is an integer number (21499176618).

Almost surely, 2^57331137646 is an apocalyptic number.

57331137646 is a deficient number, since it is larger than the sum of its proper divisors (28665568826).

57331137646 is a wasteful number, since it uses less digits than its factorization.

57331137646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28665568825.

The product of its digits is 952560, while the sum is 46.

The spelling of 57331137646 in words is "fifty-seven billion, three hundred thirty-one million, one hundred thirty-seven thousand, six hundred forty-six".