49079999 has 8 divisors (see below), whose sum is σ = 51291360. Its totient is φ = 46875136.

The previous prime is 49079981. The next prime is 49080013. The reversal of 49079999 is 99997094.

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 49079999 - 2⁸ = 49079743 is a prime.

It is a Duffinian number.

49079999 is a modest number, since divided by 9999 gives 4907 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49079939) 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, 20219 + ... + 22515.

It is an arithmetic number, because the mean of its divisors is an integer number (6411420).

Almost surely, 2^49079999 is an apocalyptic number.

49079999 is a deficient number, since it is larger than the sum of its proper divisors (2211361).

49079999 is a wasteful number, since it uses less digits than its factorization.

49079999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249.

The product of its (nonzero) digits is 1653372, while the sum is 56.

The square root of 49079999 is about 7005.7118838845. The cubic root of 49079999 is about 366.1296061241.

The spelling of 49079999 in words is "forty-nine million, seventy-nine thousand, nine hundred ninety-nine".