57385239388 has 6 divisors (see below), whose sum is σ = 100424168936. Its totient is φ = 28692619692.

The previous prime is 57385239377. The next prime is 57385239391. The reversal of 57385239388 is 88393258375.

It is a super-2 number, since 2×57385239388² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7173154920 + ... + 7173154927.

Almost surely, 2^57385239388 is an apocalyptic number.

It is an amenable number.

57385239388 is a deficient number, since it is larger than the sum of its proper divisors (43038929548).

57385239388 is a wasteful number, since it uses less digits than its factorization.

57385239388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14346309851 (or 14346309849 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 61.

The spelling of 57385239388 in words is "fifty-seven billion, three hundred eighty-five million, two hundred thirty-nine thousand, three hundred eighty-eight".