50198998 has 4 divisors (see below), whose sum is σ = 75298500. Its totient is φ = 25099498.

The previous prime is 50198987. The next prime is 50198999. The reversal of 50198998 is 89989105.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89989105 = 5 ⋅17997821.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50198999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12549748 + ... + 12549751.

It is an arithmetic number, because the mean of its divisors is an integer number (18824625).

Almost surely, 2^50198998 is an apocalyptic number.

50198998 is a deficient number, since it is larger than the sum of its proper divisors (25099502).

50198998 is a wasteful number, since it uses less digits than its factorization.

50198998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25099501.

The product of its (nonzero) digits is 233280, while the sum is 49.

The square root of 50198998 is about 7085.1251223955. The cubic root of 50198998 is about 368.8912461678.

It can be divided in two parts, 501 and 98998, that added together give a palindrome (99499).

The spelling of 50198998 in words is "fifty million, one hundred ninety-eight thousand, nine hundred ninety-eight".