49999817 has 8 divisors (see below), whose sum is σ = 57926016. Its totient is φ = 42269472.

The previous prime is 49999801. The next prime is 49999819. The reversal of 49999817 is 71899994.

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

It is not a de Polignac number, because 49999817 - 2⁴ = 49999801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49999819) 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, 48413 + ... + 49434.

It is an arithmetic number, because the mean of its divisors is an integer number (7240752).

Almost surely, 2^49999817 is an apocalyptic number.

It is an amenable number.

49999817 is a deficient number, since it is larger than the sum of its proper divisors (7926199).

49999817 is an equidigital number, since it uses as much as digits as its factorization.

49999817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97927.

The product of its digits is 1469664, while the sum is 56.

The square root of 49999817 is about 7071.0548717995. The cubic root of 49999817 is about 368.4027004116.

The spelling of 49999817 in words is "forty-nine million, nine hundred ninety-nine thousand, eight hundred seventeen".