50292099081 has 81 divisors (see below), whose sum is σ = 86438511783. Its totient is φ = 28095167520.

The previous prime is 50292099049. The next prime is 50292099089. The reversal of 50292099081 is 18099029205.

The square root of 50292099081 is 224259.

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

It can be written as a sum of positive squares in only one way, i.e., 554178681 + 49737920400 = 23541^2 + 223020^2 .

It is not a de Polignac number, because 50292099081 - 2⁵ = 50292099049 is a prime.

It is a super-2 number, since 2×50292099081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50292099089) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 277856811 + ... + 277856991.

Almost surely, 2^50292099081 is an apocalyptic number.

50292099081 is the 224259-th square number.

50292099081 is the 112130-th centered octagonal number.

It is an amenable number.

50292099081 is a deficient number, since it is larger than the sum of its proper divisors (36146412702).

50292099081 is an equidigital number, since it uses as much as digits as its factorization.

50292099081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 50292099081 in words is "fifty billion, two hundred ninety-two million, ninety-nine thousand, eighty-one".