50539812500 has 42 divisors (see below), whose sum is σ = 110554561446. Its totient is φ = 20215900000.

The previous prime is 50539812497. The next prime is 50539812529. The reversal of 50539812500 is 521893505.

It can be written as a sum of positive squares in 7 ways, for example, as 50361643396 + 178169104 = 224414^2 + 13348^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 341819 + ... + 466818.

It is an arithmetic number, because the mean of its divisors is an integer number (2632251463).

Almost surely, 2^50539812500 is an apocalyptic number.

50539812500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50539812500 is an abundant number, since it is smaller than the sum of its proper divisors (60014748946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50539812500 is an frugal number, since it uses more digits than its factorization.

50539812500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808671 (or 808644 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 50539812500 in words is "fifty billion, five hundred thirty-nine million, eight hundred twelve thousand, five hundred".