50262501249 has 9 divisors (see below), whose sum is σ = 72602362209. Its totient is φ = 33507885780.

The previous prime is 50262501229. The next prime is 50262501253. The reversal of 50262501249 is 94210526205.

The square root of 50262501249 is 224193.

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

50262501249 is a `hidden beast` number, since 5 + 0 + 2 + 625 + 0 + 1 + 24 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 50262501249 - 2²¹ = 50260404097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50262501229) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 635214 + ... + 709944.

Almost surely, 2^50262501249 is an apocalyptic number.

50262501249 is the 224193-rd square number.

50262501249 is the 112097-th centered octagonal number.

It is an amenable number.

50262501249 is a deficient number, since it is larger than the sum of its proper divisors (22339860960).

50262501249 is an frugal number, since it uses more digits than its factorization.

50262501249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149468 (or 74734 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Multiplying 50262501249 by its sum of digits (36), we get a square (1809450044964 = 1345158²).

The spelling of 50262501249 in words is "fifty billion, two hundred sixty-two million, five hundred one thousand, two hundred forty-nine".