50015610021 has 8 divisors (see below), whose sum is σ = 71817286240. Its totient is φ = 30778836912.

The previous prime is 50015609989. The next prime is 50015610023. The reversal of 50015610021 is 12001651005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50015610021 - 2⁵ = 50015609989 is a prime.

It is a super-2 number, since 2×50015610021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50015610021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50015610023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641225731 + ... + 641225808.

It is an arithmetic number, because the mean of its divisors is an integer number (8977160780).

Almost surely, 2^50015610021 is an apocalyptic number.

It is an amenable number.

50015610021 is a deficient number, since it is larger than the sum of its proper divisors (21801676219).

50015610021 is a wasteful number, since it uses less digits than its factorization.

50015610021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282451555.

The product of its (nonzero) digits is 300, while the sum is 21.

The spelling of 50015610021 in words is "fifty billion, fifteen million, six hundred ten thousand, twenty-one".