50378749 has 2 divisors, whose sum is σ = 50378750. Its totient is φ = 50378748.

The previous prime is 50378711. The next prime is 50378753. The reversal of 50378749 is 94787305.

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., 25826724 + 24552025 = 5082^2 + 4955^2 .

It is a cyclic number.

It is not a de Polignac number, because 50378749 - 2²⁵ = 16824317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50378789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25189374 + 25189375.

It is an arithmetic number, because the mean of its divisors is an integer number (25189375).

Almost surely, 2^50378749 is an apocalyptic number.

It is an amenable number.

50378749 is a deficient number, since it is larger than the sum of its proper divisors (1).

50378749 is an equidigital number, since it uses as much as digits as its factorization.

50378749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 50378749 is about 7097.7988841612. The cubic root of 50378749 is about 369.3310264083.

The spelling of 50378749 in words is "fifty million, three hundred seventy-eight thousand, seven hundred forty-nine".