50159489 has 2 divisors, whose sum is σ = 50159490. Its totient is φ = 50159488.

The previous prime is 50159479. The next prime is 50159491. The reversal of 50159489 is 98495105.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27196225 + 22963264 = 5215^2 + 4792^2 .

It is a cyclic number.

It is not a de Polignac number, because 50159489 - 2¹² = 50155393 is a prime.

It is a super-2 number, since 2×50159489² = 5031948673482242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 50159491, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50159419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25079744 + 25079745.

It is an arithmetic number, because the mean of its divisors is an integer number (25079745).

Almost surely, 2^50159489 is an apocalyptic number.

It is an amenable number.

50159489 is a deficient number, since it is larger than the sum of its proper divisors (1).

50159489 is an equidigital number, since it uses as much as digits as its factorization.

50159489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 50159489 is about 7082.3364082766. The cubic root of 50159489 is about 368.7944424459.

The spelling of 50159489 in words is "fifty million, one hundred fifty-nine thousand, four hundred eighty-nine".