50249050569 has 15 divisors (see below), whose sum is σ = 75066410397. Its totient is φ = 33498022068.

The previous prime is 50249050561. The next prime is 50249050571. The reversal of 50249050569 is 96505094205.

It is a happy number.

The square root of 50249050569 is 224163.

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

50249050569 is a `hidden beast` number, since 50 + 2 + 4 + 90 + 505 + 6 + 9 = 666.

It is not a de Polignac number, because 50249050569 - 2³ = 50249050561 is a prime.

It is a super-2 number, since 2×50249050569² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50249050561) 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 14 ways as a sum of consecutive naturals, for example, 2005014 + ... + 2029920.

Almost surely, 2^50249050569 is an apocalyptic number.

50249050569 is the 224163-rd square number.

50249050569 is the 112082-nd centered octagonal number.

It is an amenable number.

50249050569 is a deficient number, since it is larger than the sum of its proper divisors (24817359828).

50249050569 is an frugal number, since it uses more digits than its factorization.

50249050569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49826 (or 24910 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 50249050569 in words is "fifty billion, two hundred forty-nine million, fifty thousand, five hundred sixty-nine".