53581655198 has 4 divisors (see below), whose sum is σ = 80372482800. Its totient is φ = 26790827598.

The previous prime is 53581655177. The next prime is 53581655233. The reversal of 53581655198 is 89155618535.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13395413798 + ... + 13395413801.

It is an arithmetic number, because the mean of its divisors is an integer number (20093120700).

Almost surely, 2^53581655198 is an apocalyptic number.

53581655198 is a deficient number, since it is larger than the sum of its proper divisors (26790827602).

53581655198 is a wasteful number, since it uses less digits than its factorization.

53581655198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26790827601.

The product of its digits is 6480000, while the sum is 56.

The spelling of 53581655198 in words is "fifty-three billion, five hundred eighty-one million, six hundred fifty-five thousand, one hundred ninety-eight".