50561323308 has 30 divisors (see below), whose sum is σ = 132177287396. Its totient is φ = 16853774328.

The previous prime is 50561323283. The next prime is 50561323321. The reversal of 50561323308 is 80332316505.

50561323308 is a `hidden beast` number, since 5 + 0 + 5 + 613 + 2 + 3 + 30 + 8 = 666.

It is a super-2 number, since 2×50561323308² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 78026410 + ... + 78027057.

Almost surely, 2^50561323308 is an apocalyptic number.

It is an amenable number.

50561323308 is an abundant number, since it is smaller than the sum of its proper divisors (81615964088).

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

50561323308 is a wasteful number, since it uses less digits than its factorization.

50561323308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156053483 (or 156053472 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 50561323308 in words is "fifty billion, five hundred sixty-one million, three hundred twenty-three thousand, three hundred eight".