50439320569 has 27 divisors (see below), whose sum is σ = 58943754093. Its totient is φ = 43120704000.

The previous prime is 50439320537. The next prime is 50439320573. The reversal of 50439320569 is 96502393405.

The square root of 50439320569 is 224587.

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

It can be written as a sum of positive squares in 4 ways, for example, as 9509175225 + 40930145344 = 97515^2 + 202312^2 .

It is not a de Polignac number, because 50439320569 - 2⁵ = 50439320537 is a prime.

It is a super-2 number, since 2×50439320569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50439320509) 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, 41997169 + ... + 41998369.

Almost surely, 2^50439320569 is an apocalyptic number.

50439320569 is the 224587-th square number.

50439320569 is the 112294-th centered octagonal number.

It is an amenable number.

50439320569 is a deficient number, since it is larger than the sum of its proper divisors (8504433524).

50439320569 is an equidigital number, since it uses as much as digits as its factorization.

50439320569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 46.

The spelling of 50439320569 in words is "fifty billion, four hundred thirty-nine million, three hundred twenty thousand, five hundred sixty-nine".