50873749 has 2 divisors, whose sum is σ = 50873750. Its totient is φ = 50873748.

The previous prime is 50873731. The next prime is 50873777. The reversal of 50873749 is 94737805.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41692849 + 9180900 = 6457^2 + 3030^2 .

It is a cyclic number.

It is not a de Polignac number, because 50873749 - 2²³ = 42485141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50873729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25436874 + 25436875.

It is an arithmetic number, because the mean of its divisors is an integer number (25436875).

Almost surely, 2^50873749 is an apocalyptic number.

It is an amenable number.

50873749 is a deficient number, since it is larger than the sum of its proper divisors (1).

50873749 is an equidigital number, since it uses as much as digits as its factorization.

50873749 is an evil number, because the sum of its binary digits is even.

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

The square root of 50873749 is about 7132.5836132498. The cubic root of 50873749 is about 370.5367155947.

It can be divided in two parts, 5087 and 3749, that added together give a square (8836 = 94²).

The spelling of 50873749 in words is "fifty million, eight hundred seventy-three thousand, seven hundred forty-nine".