57385655836 has 12 divisors (see below), whose sum is σ = 100487168712. Its totient is φ = 28675036208.

The previous prime is 57385655813. The next prime is 57385655837. The reversal of 57385655836 is 63855658375.

It is a happy number.

It is a super-2 number, since 2×57385655836² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57385655837) 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, 4440670 + ... + 4453573.

It is an arithmetic number, because the mean of its divisors is an integer number (8373930726).

Almost surely, 2^57385655836 is an apocalyptic number.

It is an amenable number.

57385655836 is a deficient number, since it is larger than the sum of its proper divisors (43101512876).

57385655836 is a wasteful number, since it uses less digits than its factorization.

57385655836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895860 (or 8895858 counting only the distinct ones).

The product of its digits is 90720000, while the sum is 61.

The spelling of 57385655836 in words is "fifty-seven billion, three hundred eighty-five million, six hundred fifty-five thousand, eight hundred thirty-six".