49543977216 has 72 divisors (see below), whose sum is σ = 133716550464. Its totient is φ = 16282040320.

The previous prime is 49543977199. The next prime is 49543977227. The reversal of 49543977216 is 61277934594.

It is a happy number.

It is a super-2 number, since 2×49543977216² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399771 + ... + 508826.

It is an arithmetic number, because the mean of its divisors is an integer number (1857174312).

Almost surely, 2^49543977216 is an apocalyptic number.

It is an amenable number.

49543977216 is an abundant number, since it is smaller than the sum of its proper divisors (84172573248).

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

49543977216 is an equidigital number, since it uses as much as digits as its factorization.

49543977216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908687 (or 908673 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 57.

The spelling of 49543977216 in words is "forty-nine billion, five hundred forty-three million, nine hundred seventy-seven thousand, two hundred sixteen".