53663018 has 4 divisors (see below), whose sum is σ = 80494530. Its totient is φ = 26831508.

The previous prime is 53662993. The next prime is 53663039. The reversal of 53663018 is 81036635.

53663018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 51739249 + 1923769 = 7193^2 + 1387^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13415753 + ... + 13415756.

Almost surely, 2^53663018 is an apocalyptic number.

53663018 is a deficient number, since it is larger than the sum of its proper divisors (26831512).

53663018 is a wasteful number, since it uses less digits than its factorization.

53663018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26831511.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 53663018 is about 7325.5046242563. The cubic root of 53663018 is about 377.1884317192.

The spelling of 53663018 in words is "fifty-three million, six hundred sixty-three thousand, eighteen".