50774570658 has 128 divisors (see below), whose sum is σ = 133553111040. Its totient is φ = 13998035520.

The previous prime is 50774570629. The next prime is 50774570699. The reversal of 50774570658 is 85607547705.

It is a happy number.

50774570658 is a `hidden beast` number, since 5 + 0 + 7 + 7 + 4 + 570 + 65 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 63 ways as a sum of consecutive naturals, for example, 1241260 + ... + 1281512.

It is an arithmetic number, because the mean of its divisors is an integer number (1043383680).

Almost surely, 2^50774570658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50774570658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66776555520).

50774570658 is an abundant number, since it is smaller than the sum of its proper divisors (82778540382).

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

50774570658 is a wasteful number, since it uses less digits than its factorization.

50774570658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40389 (or 40383 counting only the distinct ones).

The product of its (nonzero) digits is 8232000, while the sum is 54.

The spelling of 50774570658 in words is "fifty billion, seven hundred seventy-four million, five hundred seventy thousand, six hundred fifty-eight".