49856720650 has 24 divisors (see below), whose sum is σ = 101163819744. Its totient is φ = 18129716400.

The previous prime is 49856720633. The next prime is 49856720659. The reversal of 49856720650 is 5602765894.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (49856720659) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 45323742 + ... + 45324841.

It is an arithmetic number, because the mean of its divisors is an integer number (4215159156).

Almost surely, 2^49856720650 is an apocalyptic number.

49856720650 is an abundant number, since it is smaller than the sum of its proper divisors (51307099094).

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

49856720650 is a wasteful number, since it uses less digits than its factorization.

49856720650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90648606 (or 90648601 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 49856720650 in words is "forty-nine billion, eight hundred fifty-six million, seven hundred twenty thousand, six hundred fifty".