49955009 has 16 divisors (see below), whose sum is σ = 56918400. Its totient is φ = 43462656.

The previous prime is 49954973. The next prime is 49955021. The reversal of 49955009 is 90055994.

It is a cyclic number.

It is not a de Polignac number, because 49955009 - 2⁸ = 49954753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49955029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64577 + ... + 65345.

It is an arithmetic number, because the mean of its divisors is an integer number (3557400).

Almost surely, 2^49955009 is an apocalyptic number.

It is an amenable number.

49955009 is a deficient number, since it is larger than the sum of its proper divisors (6963391).

49955009 is a wasteful number, since it uses less digits than its factorization.

49955009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 49955009 is about 7067.8857517648. The cubic root of 49955009 is about 368.2926178637.

The spelling of 49955009 in words is "forty-nine million, nine hundred fifty-five thousand, nine".