50021485919 has 8 divisors (see below), whose sum is σ = 50074825728. Its totient is φ = 49968175320.

The previous prime is 50021485909. The next prime is 50021485973. The reversal of 50021485919 is 91958412005.

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

It is a cyclic number.

It is not a de Polignac number, because 50021485919 - 2⁴ = 50021485903 is a prime.

It is a super-2 number, since 2×50021485919² (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 50021485919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50021485909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5212844 + ... + 5222430.

It is an arithmetic number, because the mean of its divisors is an integer number (6259353216).

Almost surely, 2^50021485919 is an apocalyptic number.

50021485919 is a deficient number, since it is larger than the sum of its proper divisors (53339809).

50021485919 is a wasteful number, since it uses less digits than its factorization.

50021485919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14605.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 50021485919 in words is "fifty billion, twenty-one million, four hundred eighty-five thousand, nine hundred nineteen".