50161665024 has 99 divisors (see below), whose sum is σ = 144902829253. Its totient is φ = 16713388032.

The previous prime is 50161665019. The next prime is 50161665031. The reversal of 50161665024 is 42056616105.

The square root of 50161665024 is 223968.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17171481600 + 32990183424 = 131040^2 + 181632^2 .

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50161665024.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21499762 + ... + 21502094.

Almost surely, 2^50161665024 is an apocalyptic number.

50161665024 is the 223968-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50161665024

50161665024 is an abundant number, since it is smaller than the sum of its proper divisors (94741164229).

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

50161665024 is an frugal number, since it uses more digits than its factorization.

50161665024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Multiplying 50161665024 by its sum of digits (36), we get a square (1805819940864 = 1343808²).

50161665024 divided by its sum of digits (36) gives a square (1393379584 = 37328²).

The spelling of 50161665024 in words is "fifty billion, one hundred sixty-one million, six hundred sixty-five thousand, twenty-four".