49045279 has 2 divisors, whose sum is σ = 49045280. Its totient is φ = 49045278.

The previous prime is 49045247. The next prime is 49045291. The reversal of 49045279 is 97254094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49045279 - 2⁵ = 49045247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49045219) 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, 24522639 + 24522640.

It is an arithmetic number, because the mean of its divisors is an integer number (24522640).

Almost surely, 2^49045279 is an apocalyptic number.

49045279 is a deficient number, since it is larger than the sum of its proper divisors (1).

49045279 is an equidigital number, since it uses as much as digits as its factorization.

49045279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 49045279 is about 7003.2334674777. The cubic root of 49045279 is about 366.0432503857.

The spelling of 49045279 in words is "forty-nine million, forty-five thousand, two hundred seventy-nine".