50720895369 has 27 divisors (see below), whose sum is σ = 75135048807. Its totient is φ = 32971183200.

The previous prime is 50720895361. The next prime is 50720895373. The reversal of 50720895369 is 96359802705.

The square root of 50720895369 is 225213.

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

50720895369 is a `hidden beast` number, since 5 + 0 + 7 + 20 + 89 + 536 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2444016969 + 48276878400 = 49437^2 + 219720^2 .

It is not a de Polignac number, because 50720895369 - 2³ = 50720895361 is a prime.

It is a super-2 number, since 2×50720895369² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50720895361) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 27700284 + ... + 27702114.

Almost surely, 2^50720895369 is an apocalyptic number.

50720895369 is the 225213-rd square number.

50720895369 is the 112607-th centered octagonal number.

It is an amenable number.

50720895369 is a deficient number, since it is larger than the sum of its proper divisors (24414153438).

50720895369 is an frugal number, since it uses more digits than its factorization.

50720895369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 50720895369 in words is "fifty billion, seven hundred twenty million, eight hundred ninety-five thousand, three hundred sixty-nine".