500550889 has 2 divisors, whose sum is σ = 500550890. Its totient is φ = 500550888.

The previous prime is 500550859. The next prime is 500550931. The reversal of 500550889 is 988055005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453051225 + 47499664 = 21285^2 + 6892^2 .

It is a cyclic number.

It is not a de Polignac number, because 500550889 - 2⁵ = 500550857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (500550859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250275444 + 250275445.

It is an arithmetic number, because the mean of its divisors is an integer number (250275445).

Almost surely, 2^500550889 is an apocalyptic number.

It is an amenable number.

500550889 is a deficient number, since it is larger than the sum of its proper divisors (1).

500550889 is an equidigital number, since it uses as much as digits as its factorization.

500550889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 40.

The square root of 500550889 is about 22372.9946363914. The cubic root of 500550889 is about 793.9919129218.

The spelling of 500550889 in words is "five hundred million, five hundred fifty thousand, eight hundred eighty-nine".