51642882904 has 16 divisors (see below), whose sum is σ = 99447444000. Its totient is φ = 25123564512.

The previous prime is 51642882887. The next prime is 51642882917. The reversal of 51642882904 is 40928824615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87234304 + ... + 87234895.

It is an arithmetic number, because the mean of its divisors is an integer number (6215465250).

Almost surely, 2^51642882904 is an apocalyptic number.

It is an amenable number.

51642882904 is a deficient number, since it is larger than the sum of its proper divisors (47804561096).

51642882904 is a wasteful number, since it uses less digits than its factorization.

51642882904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174469242 (or 174469238 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 51642882904 in words is "fifty-one billion, six hundred forty-two million, eight hundred eighty-two thousand, nine hundred four".