50608891568 has 80 divisors (see below), whose sum is σ = 106970460000. Its totient is φ = 23103553536.

The previous prime is 50608891537. The next prime is 50608891583. The reversal of 50608891568 is 86519880605.

It is a super-2 number, since 2×50608891568² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5081858 + ... + 5091806.

It is an arithmetic number, because the mean of its divisors is an integer number (1337130750).

Almost surely, 2^50608891568 is an apocalyptic number.

50608891568 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50608891568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53485230000).

50608891568 is an abundant number, since it is smaller than the sum of its proper divisors (56361568432).

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

50608891568 is a wasteful number, since it uses less digits than its factorization.

50608891568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10582 (or 10576 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 56.

The spelling of 50608891568 in words is "fifty billion, six hundred eight million, eight hundred ninety-one thousand, five hundred sixty-eight".