49957484872 has 16 divisors (see below), whose sum is σ = 94231186560. Its totient is φ = 24829168464.

The previous prime is 49957484867. The next prime is 49957484893. The reversal of 49957484872 is 27848475994.

It is a super-2 number, since 2×49957484872² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49957484798 and 49957484807.

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, 18695328 + ... + 18697999.

It is an arithmetic number, because the mean of its divisors is an integer number (5889449160).

Almost surely, 2^49957484872 is an apocalyptic number.

It is an amenable number.

49957484872 is a deficient number, since it is larger than the sum of its proper divisors (44273701688).

49957484872 is a wasteful number, since it uses less digits than its factorization.

49957484872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37393500 (or 37393496 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 67.

The spelling of 49957484872 in words is "forty-nine billion, nine hundred fifty-seven million, four hundred eighty-four thousand, eight hundred seventy-two".