50455244664 has 48 divisors (see below), whose sum is σ = 149072316120. Its totient is φ = 15289467840.

The previous prime is 50455244659. The next prime is 50455244681. The reversal of 50455244664 is 46644255405.

50455244664 is a `hidden beast` number, since 50 + 4 + 552 + 4 + 46 + 6 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31852267 + ... + 31853850.

Almost surely, 2^50455244664 is an apocalyptic number.

It is an amenable number.

50455244664 is an abundant number, since it is smaller than the sum of its proper divisors (98617071456).

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

50455244664 is a wasteful number, since it uses less digits than its factorization.

50455244664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63706140 (or 63706133 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

The spelling of 50455244664 in words is "fifty billion, four hundred fifty-five million, two hundred forty-four thousand, six hundred sixty-four".