49915249 has 2 divisors, whose sum is σ = 49915250. Its totient is φ = 49915248.

The previous prime is 49915237. The next prime is 49915253. The reversal of 49915249 is 94251994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49914225 + 1024 = 7065^2 + 32^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49915249 is a prime.

It is not a weakly prime, because it can be changed into another prime (49915279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24957624 + 24957625.

It is an arithmetic number, because the mean of its divisors is an integer number (24957625).

Almost surely, 2^49915249 is an apocalyptic number.

It is an amenable number.

49915249 is a deficient number, since it is larger than the sum of its proper divisors (1).

49915249 is an equidigital number, since it uses as much as digits as its factorization.

49915249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The square root of 49915249 is about 7065.0724695505. The cubic root of 49915249 is about 368.1948819112.

The spelling of 49915249 in words is "forty-nine million, nine hundred fifteen thousand, two hundred forty-nine".