53543998 has 8 divisors (see below), whose sum is σ = 82024992. Its totient is φ = 26202336.

The previous prime is 53543989. The next prime is 53544013. The reversal of 53543998 is 89934535.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284715 + ... + 284902.

It is an arithmetic number, because the mean of its divisors is an integer number (10253124).

Almost surely, 2^53543998 is an apocalyptic number.

53543998 is a deficient number, since it is larger than the sum of its proper divisors (28480994).

53543998 is a wasteful number, since it uses less digits than its factorization.

53543998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569666.

The product of its digits is 583200, while the sum is 46.

The square root of 53543998 is about 7317.3764424143. The cubic root of 53543998 is about 376.9093680402.

The spelling of 53543998 in words is "fifty-three million, five hundred forty-three thousand, nine hundred ninety-eight".