49999899 has 8 divisors (see below), whose sum is σ = 66710592. Its totient is φ = 33311240.

The previous prime is 49999897. The next prime is 49999903. The reversal of 49999899 is 99899994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49999899 - 2¹ = 49999897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49999897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832 + ... + 10034.

It is an arithmetic number, because the mean of its divisors is an integer number (8338824).

Almost surely, 2^49999899 is an apocalyptic number.

49999899 is a deficient number, since it is larger than the sum of its proper divisors (16710693).

49999899 is a wasteful number, since it uses less digits than its factorization.

49999899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11017.

The product of its digits is 17006112, while the sum is 66.

The square root of 49999899 is about 7071.0606700834. The cubic root of 49999899 is about 368.4029018058.

The spelling of 49999899 in words is "forty-nine million, nine hundred ninety-nine thousand, eight hundred ninety-nine".