50998449 has 4 divisors (see below), whose sum is σ = 67997936. Its totient is φ = 33998964.

The previous prime is 50998439. The next prime is 50998459. The reversal of 50998449 is 94489905.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (50998439) and next prime (50998459).

It is not a de Polignac number, because 50998449 - 2²⁰ = 49949873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50998398 and 50998407.

It is not an unprimeable number, because it can be changed into a prime (50998439) 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, 8499739 + ... + 8499744.

It is an arithmetic number, because the mean of its divisors is an integer number (16999484).

Almost surely, 2^50998449 is an apocalyptic number.

It is an amenable number.

50998449 is a deficient number, since it is larger than the sum of its proper divisors (16999487).

50998449 is a wasteful number, since it uses less digits than its factorization.

50998449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16999486.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 50998449 is about 7141.3198359967. The cubic root of 50998449 is about 370.8392175587.

The spelling of 50998449 in words is "fifty million, nine hundred ninety-eight thousand, four hundred forty-nine".