50889090 has 32 divisors (see below), whose sum is σ = 139582080. Its totient is φ = 11631744.

The previous prime is 50889079. The next prime is 50889101. The reversal of 50889090 is 9098805.

It is an interprime number because it is at equal distance from previous prime (50889079) and next prime (50889101).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120955 + ... + 121374.

It is an arithmetic number, because the mean of its divisors is an integer number (4361940).

Almost surely, 2^50889090 is an apocalyptic number.

50889090 is an abundant number, since it is smaller than the sum of its proper divisors (88692990).

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

50889090 is a wasteful number, since it uses less digits than its factorization.

50889090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242346.

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

The square root of 50889090 is about 7133.6589489546. The cubic root of 50889090 is about 370.5739570181.

It can be divided in two parts, 508 and 89090, that added together give a palindrome (89598).

The spelling of 50889090 in words is "fifty million, eight hundred eighty-nine thousand, ninety".