49005559 has 2 divisors, whose sum is σ = 49005560. Its totient is φ = 49005558.

The previous prime is 49005553. The next prime is 49005581. The reversal of 49005559 is 95550094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49005559 - 2⁷ = 49005431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49005553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24502779 + 24502780.

It is an arithmetic number, because the mean of its divisors is an integer number (24502780).

Almost surely, 2^49005559 is an apocalyptic number.

49005559 is a deficient number, since it is larger than the sum of its proper divisors (1).

49005559 is an equidigital number, since it uses as much as digits as its factorization.

49005559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 49005559 is about 7000.3970601674. The cubic root of 49005559 is about 365.9444086290.

The spelling of 49005559 in words is "forty-nine million, five thousand, five hundred fifty-nine".