49005999 has 32 divisors (see below), whose sum is σ = 83312640. Its totient is φ = 27889056.

The previous prime is 49005967. The next prime is 49006003. The reversal of 49005999 is 99950094.

It is a happy number.

It is not a de Polignac number, because 49005999 - 2⁵ = 49005967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49005919) 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 in 31 ways as a sum of consecutive naturals, for example, 72049 + ... + 72725.

It is an arithmetic number, because the mean of its divisors is an integer number (2603520).

Almost surely, 2^49005999 is an apocalyptic number.

49005999 is a deficient number, since it is larger than the sum of its proper divisors (34306641).

49005999 is a wasteful number, since it uses less digits than its factorization.

49005999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 49005999 is about 7000.4284868856. The cubic root of 49005999 is about 365.9455038453.

The spelling of 49005999 in words is "forty-nine million, five thousand, nine hundred ninety-nine".