49945837 has 2 divisors, whose sum is σ = 49945838. Its totient is φ = 49945836.

The previous prime is 49945829. The next prime is 49945879. The reversal of 49945837 is 73854994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47692836 + 2253001 = 6906^2 + 1501^2 .

It is a cyclic number.

It is not a de Polignac number, because 49945837 - 2³ = 49945829 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49945807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24972918 + 24972919.

It is an arithmetic number, because the mean of its divisors is an integer number (24972919).

Almost surely, 2^49945837 is an apocalyptic number.

It is an amenable number.

49945837 is a deficient number, since it is larger than the sum of its proper divisors (1).

49945837 is an equidigital number, since it uses as much as digits as its factorization.

49945837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 49945837 is about 7067.2368716493. The cubic root of 49945837 is about 368.2700763360.

The spelling of 49945837 in words is "forty-nine million, nine hundred forty-five thousand, eight hundred thirty-seven".