50858774928 has 240 divisors, whose sum is σ = 154871545920. Its totient is φ = 15487718400.

The previous prime is 50858774903. The next prime is 50858774957. The reversal of 50858774928 is 82947785805.

50858774928 is a `hidden beast` number, since 5 + 0 + 8 + 587 + 7 + 49 + 2 + 8 = 666.

It is a super-2 number, since 2×50858774928² (a number of 22 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 130742158 + ... + 130742546.

It is an arithmetic number, because the mean of its divisors is an integer number (645298108).

Almost surely, 2^50858774928 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 50858774928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77435772960).

50858774928 is an abundant number, since it is smaller than the sum of its proper divisors (104012770992).

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

50858774928 is a wasteful number, since it uses less digits than its factorization.

50858774928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 63.

The spelling of 50858774928 in words is "fifty billion, eight hundred fifty-eight million, seven hundred seventy-four thousand, nine hundred twenty-eight".