49920099 has 4 divisors (see below), whose sum is σ = 66560136. Its totient is φ = 33280064.

The previous prime is 49920071. The next prime is 49920113. The reversal of 49920099 is 99002994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49920099 - 2⁸ = 49919843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49920099.

It is not an unprimeable number, because it can be changed into a prime (49920019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8320014 + ... + 8320019.

It is an arithmetic number, because the mean of its divisors is an integer number (16640034).

Almost surely, 2^49920099 is an apocalyptic number.

49920099 is a deficient number, since it is larger than the sum of its proper divisors (16640037).

49920099 is a wasteful number, since it uses less digits than its factorization.

49920099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16640036.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 49920099 is about 7065.4156990230. The cubic root of 49920099 is about 368.2068067063.

The spelling of 49920099 in words is "forty-nine million, nine hundred twenty thousand, ninety-nine".