50500704128 has 32 divisors (see below), whose sum is σ = 114979283760. Its totient is φ = 21643158528.

The previous prime is 50500704127. The next prime is 50500704157. The reversal of 50500704128 is 82140700505.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×50500704128² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 50500704094 and 50500704103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50500704127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28180301 + ... + 28182092.

Almost surely, 2^50500704128 is an apocalyptic number.

It is an amenable number.

50500704128 is an abundant number, since it is smaller than the sum of its proper divisors (64478579632).

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

50500704128 is an equidigital number, since it uses as much as digits as its factorization.

50500704128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56362414 (or 56362402 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The spelling of 50500704128 in words is "fifty billion, five hundred million, seven hundred four thousand, one hundred twenty-eight".