50319749 has 2 divisors, whose sum is σ = 50319750. Its totient is φ = 50319748.

The previous prime is 50319739. The next prime is 50319757. The reversal of 50319749 is 94791305.

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., 27899524 + 22420225 = 5282^2 + 4735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50319749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50319719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25159874 + 25159875.

It is an arithmetic number, because the mean of its divisors is an integer number (25159875).

Almost surely, 2^50319749 is an apocalyptic number.

It is an amenable number.

50319749 is a deficient number, since it is larger than the sum of its proper divisors (1).

50319749 is an equidigital number, since it uses as much as digits as its factorization.

50319749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 50319749 is about 7093.6414485087. The cubic root of 50319749 is about 369.1867920302.

The spelling of 50319749 in words is "fifty million, three hundred nineteen thousand, seven hundred forty-nine".