50198399 has 8 divisors (see below), whose sum is σ = 55949040. Its totient is φ = 44758656.

The previous prime is 50198353. The next prime is 50198411. The reversal of 50198399 is 99389105.

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 50198399 - 2²⁰ = 49149823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50198339) 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, 77384 + ... + 78029.

It is an arithmetic number, because the mean of its divisors is an integer number (6993630).

Almost surely, 2^50198399 is an apocalyptic number.

50198399 is a deficient number, since it is larger than the sum of its proper divisors (5750641).

50198399 is a wasteful number, since it uses less digits than its factorization.

50198399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155449.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 50198399 is about 7085.0828506094. The cubic root of 50198399 is about 368.8897788959.

The spelling of 50198399 in words is "fifty million, one hundred ninety-eight thousand, three hundred ninety-nine".