49955587234464 has 96 divisors (see below), whose sum is σ = 133322249579904. Its totient is φ = 16374075540480.

The previous prime is 49955587234447. The next prime is 49955587234493. The reversal of 49955587234464 is 46443278555994.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 18736797 + ... + 21236259.

It is an arithmetic number, because the mean of its divisors is an integer number (1388773433124).

Almost surely, 2^{49955587234464} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49955587234464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66661124789952).

49955587234464 is an abundant number, since it is smaller than the sum of its proper divisors (83366662345440).

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

49955587234464 is a wasteful number, since it uses less digits than its factorization.

49955587234464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502950 (or 2502942 counting only the distinct ones).

The product of its digits is 5225472000, while the sum is 75.

The spelling of 49955587234464 in words is "forty-nine trillion, nine hundred fifty-five billion, five hundred eighty-seven million, two hundred thirty-four thousand, four hundred sixty-four".