50981572642860 has 96 divisors (see below), whose sum is σ = 158694294366720. Its totient is φ = 13587803987904.

The previous prime is 50981572642841. The next prime is 50981572642873. The reversal of 50981572642860 is 6824627518905.

50981572642860 is a `hidden beast` number, since 5 + 0 + 9 + 81 + 5 + 72 + 6 + 428 + 60 = 666.

It is a super-2 number, since 2×50981572642860² (a number of 28 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 24275784 + ... + 26292143.

It is an arithmetic number, because the mean of its divisors is an integer number (1653065566320).

Almost surely, 2^{50981572642860} is an apocalyptic number.

It is an amenable number.

50981572642860 is an abundant number, since it is smaller than the sum of its proper divisors (107712721723860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50981572642860 is a wasteful number, since it uses less digits than its factorization.

50981572642860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50569812 (or 50569804 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 50981572642860 in words is "fifty trillion, nine hundred eighty-one billion, five hundred seventy-two million, six hundred forty-two thousand, eight hundred sixty".