49599999 has 16 divisors (see below), whose sum is σ = 77804640. Its totient is φ = 31121280.

The previous prime is 49599917. The next prime is 49600003. The reversal of 49599999 is 99999594.

It is not a de Polignac number, because 49599999 - 2⁷ = 49599871 is a prime.

49599999 is a modest number, since divided by 9999 gives 4959 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49591999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53572 + ... + 54489.

It is an arithmetic number, because the mean of its divisors is an integer number (4862790).

Almost surely, 2^49599999 is an apocalyptic number.

49599999 is a deficient number, since it is larger than the sum of its proper divisors (28204641).

49599999 is a wasteful number, since it uses less digits than its factorization.

49599999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108087 (or 108081 counting only the distinct ones).

The product of its digits is 10628820, while the sum is 63.

The square root of 49599999 is about 7042.7266736684. The cubic root of 49599999 is about 367.4181075336.

The spelling of 49599999 in words is "forty-nine million, five hundred ninety-nine thousand, nine hundred ninety-nine".