49408859 has 2 divisors, whose sum is σ = 49408860. Its totient is φ = 49408858.

The previous prime is 49408831. The next prime is 49408867. The reversal of 49408859 is 95880494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49408859 - 2⁸ = 49408603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49408889) 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, 24704429 + 24704430.

It is an arithmetic number, because the mean of its divisors is an integer number (24704430).

Almost surely, 2^49408859 is an apocalyptic number.

49408859 is a deficient number, since it is larger than the sum of its proper divisors (1).

49408859 is an equidigital number, since it uses as much as digits as its factorization.

49408859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 49408859 is about 7029.1435466919. The cubic root of 49408859 is about 366.9455356022.

The spelling of 49408859 in words is "forty-nine million, four hundred eight thousand, eight hundred fifty-nine".