50408690808 has 48 divisors (see below), whose sum is σ = 146596706280. Its totient is φ = 14402482752.

The previous prime is 50408690797. The next prime is 50408690821. The reversal of 50408690808 is 80809680405.

It is a super-2 number, since 2×50408690808² (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 11 ways as a sum of consecutive naturals, for example, 21431091 + ... + 21433442.

Almost surely, 2^50408690808 is an apocalyptic number.

It is an amenable number.

50408690808 is an abundant number, since it is smaller than the sum of its proper divisors (96188015472).

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

50408690808 is a wasteful number, since it uses less digits than its factorization.

50408690808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42864556 (or 42864545 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 50408690808 in words is "fifty billion, four hundred eight million, six hundred ninety thousand, eight hundred eight".