27990050 has 24 divisors (see below), whose sum is σ = 56795472. Its totient is φ = 10178000.

The previous prime is 27990049. The next prime is 27990071. The reversal of 27990050 is 5009972.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27989989 and 27990016.

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, 24896 + ... + 25995.

It is an arithmetic number, because the mean of its divisors is an integer number (2366478).

Almost surely, 2^27990050 is an apocalyptic number.

27990050 is an abundant number, since it is smaller than the sum of its proper divisors (28805422).

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

27990050 is a wasteful number, since it uses less digits than its factorization.

27990050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50914 (or 50909 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 27990050 is about 5290.5623519622. The cubic root of 27990050 is about 303.6229238067.

The spelling of 27990050 in words is "twenty-seven million, nine hundred ninety thousand, fifty".