49996999 has 16 divisors (see below), whose sum is σ = 58070880. Its totient is φ = 42647040.

The previous prime is 49996997. The next prime is 49997023. The reversal of 49996999 is 99969994.

It is a cyclic number.

It is not a de Polignac number, because 49996999 - 2¹ = 49996997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49996999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49996997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7659 + ... + 12595.

It is an arithmetic number, because the mean of its divisors is an integer number (3629430).

Almost surely, 2^49996999 is an apocalyptic number.

49996999 is a deficient number, since it is larger than the sum of its proper divisors (8073881).

49996999 is a wasteful number, since it uses less digits than its factorization.

49996999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010.

The product of its digits is 12754584, while the sum is 64.

The square root of 49996999 is about 7070.8556059362. The cubic root of 49996999 is about 368.3957791976.

The spelling of 49996999 in words is "forty-nine million, nine hundred ninety-six thousand, nine hundred ninety-nine".