50899618140 has 96 divisors (see below), whose sum is σ = 162908444160. Its totient is φ = 11632079616.

The previous prime is 50899618127. The next prime is 50899618151. The reversal of 50899618140 is 4181699805.

It is a super-2 number, since 2×50899618140² (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 31 ways as a sum of consecutive naturals, for example, 4302874 + ... + 4314686.

It is an arithmetic number, because the mean of its divisors is an integer number (1696962960).

Almost surely, 2^50899618140 is an apocalyptic number.

It is an amenable number.

50899618140 is an abundant number, since it is smaller than the sum of its proper divisors (112008826020).

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

50899618140 is a wasteful number, since it uses less digits than its factorization.

50899618140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22091 (or 22089 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 51.

The spelling of 50899618140 in words is "fifty billion, eight hundred ninety-nine million, six hundred eighteen thousand, one hundred forty".