50220939493 has 6 divisors (see below), whose sum is σ = 51614947986. Its totient is φ = 48863615472.

The previous prime is 50220939467. The next prime is 50220939523. The reversal of 50220939493 is 39493902205.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 31932975204 + 18287964289 = 178698^2 + 135233^2 .

It is not a de Polignac number, because 50220939493 - 2³³ = 41631004901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50220930493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18340830 + ... + 18343567.

It is an arithmetic number, because the mean of its divisors is an integer number (8602491331).

Almost surely, 2^50220939493 is an apocalyptic number.

It is an amenable number.

50220939493 is a deficient number, since it is larger than the sum of its proper divisors (1394008493).

50220939493 is an equidigital number, since it uses as much as digits as its factorization.

50220939493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36684471 (or 36684434 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 46.

The spelling of 50220939493 in words is "fifty billion, two hundred twenty million, nine hundred thirty-nine thousand, four hundred ninety-three".