50447406025 has 27 divisors (see below), whose sum is σ = 64828077951. Its totient is φ = 38941116480.

The previous prime is 50447405977. The next prime is 50447406071. The reversal of 50447406025 is 52060474405.

The square root of 50447406025 is 224605.

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

It can be written as a sum of positive squares in 13 ways, for example, as 38713317049 + 11734088976 = 196757^2 + 108324^2 .

It is not a de Polignac number, because 50447406025 - 2⁹ = 50447405513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 32566951 + ... + 32568499.

Almost surely, 2^50447406025 is an apocalyptic number.

50447406025 is the 224605-th square number.

50447406025 is the 112303-rd centered octagonal number.

It is an amenable number.

50447406025 is a deficient number, since it is larger than the sum of its proper divisors (14380671926).

50447406025 is an frugal number, since it uses more digits than its factorization.

50447406025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

The spelling of 50447406025 in words is "fifty billion, four hundred forty-seven million, four hundred six thousand, twenty-five".