49115837 has 2 divisors, whose sum is σ = 49115838. Its totient is φ = 49115836.

The previous prime is 49115819. The next prime is 49115849. The reversal of 49115837 is 73851194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29658916 + 19456921 = 5446^2 + 4411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49115837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49115837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49115887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24557918 + 24557919.

It is an arithmetic number, because the mean of its divisors is an integer number (24557919).

Almost surely, 2^49115837 is an apocalyptic number.

It is an amenable number.

49115837 is a deficient number, since it is larger than the sum of its proper divisors (1).

49115837 is an equidigital number, since it uses as much as digits as its factorization.

49115837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 49115837 is about 7008.2691871817. The cubic root of 49115837 is about 366.2186998532.

The spelling of 49115837 in words is "forty-nine million, one hundred fifteen thousand, eight hundred thirty-seven".