50161605152 has 72 divisors (see below), whose sum is σ = 105006853476. Its totient is φ = 23582896128.

The previous prime is 50161605113. The next prime is 50161605161. The reversal of 50161605152 is 25150616105.

It can be written as a sum of positive squares in 6 ways, for example, as 49016188816 + 1145416336 = 221396^2 + 33844^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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 11 ways as a sum of consecutive naturals, for example, 13435478 + ... + 13439210.

Almost surely, 2^50161605152 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 50161605152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52503426738).

50161605152 is an abundant number, since it is smaller than the sum of its proper divisors (54845248324).

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

50161605152 is a wasteful number, since it uses less digits than its factorization.

50161605152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5230 (or 5205 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 50161605152 in words is "fifty billion, one hundred sixty-one million, six hundred five thousand, one hundred fifty-two".