50890980 has 48 divisors (see below), whose sum is σ = 162852480. Its totient is φ = 11632128.

The previous prime is 50890967. The next prime is 50890997. The reversal of 50890980 is 8909805.

50890980 = 31² + 32² + ... + 534².

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60165 + ... + 61004.

It is an arithmetic number, because the mean of its divisors is an integer number (3392760).

Almost surely, 2^50890980 is an apocalyptic number.

It is an amenable number.

50890980 is an abundant number, since it is smaller than the sum of its proper divisors (111961500).

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

50890980 is a wasteful number, since it uses less digits than its factorization.

50890980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121188 (or 121186 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 50890980 is about 7133.7914183133. The cubic root of 50890980 is about 370.5785446164.

The spelling of 50890980 in words is "fifty million, eight hundred ninety thousand, nine hundred eighty".