53199998 has 4 divisors (see below), whose sum is σ = 79800000. Its totient is φ = 26599998.

The previous prime is 53199997. The next prime is 53200009. The reversal of 53199998 is 89999135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89999135 = 5 ⋅17999827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53199997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13299998 + ... + 13300001.

It is an arithmetic number, because the mean of its divisors is an integer number (19950000).

Almost surely, 2^53199998 is an apocalyptic number.

53199998 is a deficient number, since it is larger than the sum of its proper divisors (26600002).

53199998 is a wasteful number, since it uses less digits than its factorization.

53199998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26600001.

The product of its digits is 787320, while the sum is 53.

The square root of 53199998 is about 7293.8328744221. The cubic root of 53199998 is about 376.1004664005.

The spelling of 53199998 in words is "fifty-three million, one hundred ninety-nine thousand, nine hundred ninety-eight".