50198881 has 2 divisors, whose sum is σ = 50198882. Its totient is φ = 50198880.

The previous prime is 50198839. The next prime is 50198959. The reversal of 50198881 is 18889105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47610000 + 2588881 = 6900^2 + 1609^2 .

It is a cyclic number.

It is not a de Polignac number, because 50198881 - 2²³ = 41810273 is a prime.

It is a super-2 number, since 2×50198881² = 5039855307304322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50198831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25099440 + 25099441.

It is an arithmetic number, because the mean of its divisors is an integer number (25099441).

Almost surely, 2^50198881 is an apocalyptic number.

It is an amenable number.

50198881 is a deficient number, since it is larger than the sum of its proper divisors (1).

50198881 is an equidigital number, since it uses as much as digits as its factorization.

50198881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 40.

The square root of 50198881 is about 7085.1168656558. The cubic root of 50198881 is about 368.8909595730.

The spelling of 50198881 in words is "fifty million, one hundred ninety-eight thousand, eight hundred eighty-one".