53985398 has 16 divisors (see below), whose sum is σ = 82717200. Its totient is φ = 26418816.

The previous prime is 53985391. The next prime is 53985419. The reversal of 53985398 is 89358935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53985391) 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, 18653 + ... + 21351.

It is an arithmetic number, because the mean of its divisors is an integer number (5169825).

Almost surely, 2^53985398 is an apocalyptic number.

53985398 is a deficient number, since it is larger than the sum of its proper divisors (28731802).

53985398 is a wasteful number, since it uses less digits than its factorization.

53985398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911.

The product of its digits is 1166400, while the sum is 50.

The square root of 53985398 is about 7347.4756209191. The cubic root of 53985398 is about 377.9422426987.

The spelling of 53985398 in words is "fifty-three million, nine hundred eighty-five thousand, three hundred ninety-eight".