50055051564 has 72 divisors (see below), whose sum is σ = 144829540128. Its totient is φ = 14279086080.

The previous prime is 50055051533. The next prime is 50055051577. The reversal of 50055051564 is 46515055005.

50055051564 is a `hidden beast` number, since 5 + 0 + 0 + 550 + 51 + 56 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 6594 + ... + 316470.

Almost surely, 2^50055051564 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 50055051564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72414770064).

50055051564 is an abundant number, since it is smaller than the sum of its proper divisors (94774488564).

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

50055051564 is a wasteful number, since it uses less digits than its factorization.

50055051564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310535 (or 310530 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 50055051564 in words is "fifty billion, fifty-five million, fifty-one thousand, five hundred sixty-four".