50349569 has 2 divisors, whose sum is σ = 50349570. Its totient is φ = 50349568.

The previous prime is 50349547. The next prime is 50349571. The reversal of 50349569 is 96594305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47789569 + 2560000 = 6913^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 50349569 - 2²⁴ = 33572353 is a prime.

It is a super-2 number, since 2×50349569² = 5070158196971522, which contains 22 as substring.

Together with 50349571, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50349589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25174784 + 25174785.

It is an arithmetic number, because the mean of its divisors is an integer number (25174785).

Almost surely, 2^50349569 is an apocalyptic number.

It is an amenable number.

50349569 is a deficient number, since it is larger than the sum of its proper divisors (1).

50349569 is an equidigital number, since it uses as much as digits as its factorization.

50349569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 50349569 is about 7095.7430195858. The cubic root of 50349569 is about 369.2597055903.

The spelling of 50349569 in words is "fifty million, three hundred forty-nine thousand, five hundred sixty-nine".