50056455289 has 9 divisors (see below), whose sum is σ = 50327509197. Its totient is φ = 49786857024.

The previous prime is 50056455217. The next prime is 50056455311. The reversal of 50056455289 is 98255465005.

It is a happy number.

The square root of 50056455289 is 223733.

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 37622421225 + 12434034064 = 193965^2 + 111508^2 .

It is not a de Polignac number, because 50056455289 - 2⁷ = 50056455161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50056455089) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 51234369 + ... + 51235345.

Almost surely, 2^50056455289 is an apocalyptic number.

50056455289 is the 223733-rd square number.

50056455289 is the 111867-th centered octagonal number.

It is an amenable number.

50056455289 is a deficient number, since it is larger than the sum of its proper divisors (271053908).

50056455289 is an frugal number, since it uses more digits than its factorization.

50056455289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 49.

Multiplying 50056455289 by its sum of digits (49), we get a square (2452766309161 = 1566131²).

The spelling of 50056455289 in words is "fifty billion, fifty-six million, four hundred fifty-five thousand, two hundred eighty-nine".