53144618 has 8 divisors (see below), whose sum is σ = 84406212. Its totient is φ = 25009216.

The previous prime is 53144599. The next prime is 53144621. The reversal of 53144618 is 81644135.

53144618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 52027369 + 1117249 = 7213^2 + 1057^2 .

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

It is a Curzon number.

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 in 3 ways as a sum of consecutive naturals, for example, 781505 + ... + 781572.

Almost surely, 2^53144618 is an apocalyptic number.

53144618 is a deficient number, since it is larger than the sum of its proper divisors (31261594).

53144618 is a wasteful number, since it uses less digits than its factorization.

53144618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563096.

The product of its digits is 11520, while the sum is 32.

The square root of 53144618 is about 7290.0355280341. The cubic root of 53144618 is about 375.9699170515.

The spelling of 53144618 in words is "fifty-three million, one hundred forty-four thousand, six hundred eighteen".