50149399 has 2 divisors, whose sum is σ = 50149400. Its totient is φ = 50149398.

The previous prime is 50149391. The next prime is 50149403. The reversal of 50149399 is 99394105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50149399 - 2³ = 50149391 is a prime.

It is a super-2 number, since 2×50149399² = 5029924440122402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50149391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25074699 + 25074700.

It is an arithmetic number, because the mean of its divisors is an integer number (25074700).

Almost surely, 2^50149399 is an apocalyptic number.

50149399 is a deficient number, since it is larger than the sum of its proper divisors (1).

50149399 is an equidigital number, since it uses as much as digits as its factorization.

50149399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 50149399 is about 7081.6240369000. The cubic root of 50149399 is about 368.7697120938.

The spelling of 50149399 in words is "fifty million, one hundred forty-nine thousand, three hundred ninety-nine".