50499997 has 4 divisors (see below), whose sum is σ = 50514300. Its totient is φ = 50485696.

The previous prime is 50499989. The next prime is 50500001. The reversal of 50499997 is 79999405.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 23677956 + 26822041 = 4866^2 + 5179^2 .

It is a cyclic number.

It is not a de Polignac number, because 50499997 - 2³ = 50499989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50499907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2379 + ... + 10327.

It is an arithmetic number, because the mean of its divisors is an integer number (12628575).

Almost surely, 2^50499997 is an apocalyptic number.

It is an amenable number.

50499997 is a deficient number, since it is larger than the sum of its proper divisors (14303).

50499997 is an equidigital number, since it uses as much as digits as its factorization.

50499997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14302.

The product of its (nonzero) digits is 918540, while the sum is 52.

The square root of 50499997 is about 7106.3349906967. The cubic root of 50499997 is about 369.6270822663.

The spelling of 50499997 in words is "fifty million, four hundred ninety-nine thousand, nine hundred ninety-seven".