57494139476 has 24 divisors (see below), whose sum is σ = 100986981984. Its totient is φ = 28640773280.

The previous prime is 57494139433. The next prime is 57494139499. The reversal of 57494139476 is 67493149475.

It is a happy number.

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 in 7 ways as a sum of consecutive naturals, for example, 7969511 + ... + 7976721.

It is an arithmetic number, because the mean of its divisors is an integer number (4207790916).

Almost surely, 2^57494139476 is an apocalyptic number.

It is an amenable number.

57494139476 is a deficient number, since it is larger than the sum of its proper divisors (43492842508).

57494139476 is a wasteful number, since it uses less digits than its factorization.

57494139476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14311 (or 14309 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 59.

Subtracting 57494139476 from its reverse (67493149475), we obtain a palindrome (9999009999).

The spelling of 57494139476 in words is "fifty-seven billion, four hundred ninety-four million, one hundred thirty-nine thousand, four hundred seventy-six".