50133649 has 2 divisors, whose sum is σ = 50133650. Its totient is φ = 50133648.

The previous prime is 50133641. The next prime is 50133667. The reversal of 50133649 is 94633105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45468049 + 4665600 = 6743^2 + 2160^2 .

It is a cyclic number.

It is not a de Polignac number, because 50133649 - 2³ = 50133641 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50133649.

It is not a weakly prime, because it can be changed into another prime (50133641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25066824 + 25066825.

It is an arithmetic number, because the mean of its divisors is an integer number (25066825).

Almost surely, 2^50133649 is an apocalyptic number.

It is an amenable number.

50133649 is a deficient number, since it is larger than the sum of its proper divisors (1).

50133649 is an equidigital number, since it uses as much as digits as its factorization.

50133649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 50133649 is about 7080.5119165213. The cubic root of 50133649 is about 368.7311025842.

The spelling of 50133649 in words is "fifty million, one hundred thirty-three thousand, six hundred forty-nine".