50510124521 has 4 divisors (see below), whose sum is σ = 51077654100. Its totient is φ = 49942594944.

The previous prime is 50510124517. The next prime is 50510124527. The reversal of 50510124521 is 12542101505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12542101505 = 5 ⋅2508420301.

It can be written as a sum of positive squares in 2 ways, for example, as 13216721296 + 37293403225 = 114964^2 + 193115^2 .

It is a cyclic number.

It is not a de Polignac number, because 50510124521 - 2² = 50510124517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50510124527) 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 3 ways as a sum of consecutive naturals, for example, 283764656 + ... + 283764833.

It is an arithmetic number, because the mean of its divisors is an integer number (12769413525).

Almost surely, 2^50510124521 is an apocalyptic number.

It is an amenable number.

50510124521 is a deficient number, since it is larger than the sum of its proper divisors (567529579).

50510124521 is an equidigital number, since it uses as much as digits as its factorization.

50510124521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567529578.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 50510124521 in words is "fifty billion, five hundred ten million, one hundred twenty-four thousand, five hundred twenty-one".