50127179881 has 9 divisors (see below), whose sum is σ = 50839836471. Its totient is φ = 49424386032.

The previous prime is 50127179833. The next prime is 50127179911. The reversal of 50127179881 is 18897172105.

The square root of 50127179881 is 223891.

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., 28454629225 + 21672550656 = 168685^2 + 147216^2 .

It is not a de Polignac number, because 50127179881 - 2¹⁵ = 50127147113 is a prime.

It is a super-2 number, since 2×50127179881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50127179281) 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, 16342510 + ... + 16345576.

It is an arithmetic number, because the mean of its divisors is an integer number (5648870719).

Almost surely, 2^50127179881 is an apocalyptic number.

50127179881 is the 223891-st square number.

50127179881 is the 111946-th centered octagonal number.

It is an amenable number.

50127179881 is a deficient number, since it is larger than the sum of its proper divisors (712656590).

50127179881 is an frugal number, since it uses more digits than its factorization.

50127179881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280 (or 3140 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 49.

Multiplying 50127179881 by its sum of digits (49), we get a square (2456231814169 = 1567237²).

The spelling of 50127179881 in words is "fifty billion, one hundred twenty-seven million, one hundred seventy-nine thousand, eight hundred eighty-one".