50812996820 has 24 divisors (see below), whose sum is σ = 106712728584. Its totient is φ = 20324163456.

The previous prime is 50812996811. The next prime is 50812996877. The reversal of 50812996820 is 2869921805.

50812996820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4176002884 + 46636993936 = 64622^2 + 215956^2 .

It is a super-2 number, since 2×50812996820² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430022 + ... + 535298.

It is an arithmetic number, because the mean of its divisors is an integer number (4446363691).

Almost surely, 2^50812996820 is an apocalyptic number.

It is an amenable number.

50812996820 is an abundant number, since it is smaller than the sum of its proper divisors (55899731764).

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

50812996820 is a wasteful number, since it uses less digits than its factorization.

50812996820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129419 (or 129417 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 50.

The spelling of 50812996820 in words is "fifty billion, eight hundred twelve million, nine hundred ninety-six thousand, eight hundred twenty".