49251959 has 2 divisors, whose sum is σ = 49251960. Its totient is φ = 49251958.

The previous prime is 49251953. The next prime is 49252001. The reversal of 49251959 is 95915294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49251959 - 2²⁰ = 48203383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49251953) 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, 24625979 + 24625980.

It is an arithmetic number, because the mean of its divisors is an integer number (24625980).

Almost surely, 2^49251959 is an apocalyptic number.

49251959 is a deficient number, since it is larger than the sum of its proper divisors (1).

49251959 is an equidigital number, since it uses as much as digits as its factorization.

49251959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 44.

The square root of 49251959 is about 7017.9739953921. The cubic root of 49251959 is about 366.5567065130.

The spelling of 49251959 in words is "forty-nine million, two hundred fifty-one thousand, nine hundred fifty-nine".