53716618 has 4 divisors (see below), whose sum is σ = 80574930. Its totient is φ = 26858308.

The previous prime is 53716571. The next prime is 53716627. The reversal of 53716618 is 81661735.

53716618 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, and also an emirpimes, since its reverse is a distinct semiprime: 81661735 = 5 ⋅16332347.

It can be written as a sum of positive squares in only one way, i.e., 48066489 + 5650129 = 6933^2 + 2377^2 .

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, 13429153 + ... + 13429156.

Almost surely, 2^53716618 is an apocalyptic number.

53716618 is a deficient number, since it is larger than the sum of its proper divisors (26858312).

53716618 is a wasteful number, since it uses less digits than its factorization.

53716618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26858311.

The product of its digits is 30240, while the sum is 37.

The square root of 53716618 is about 7329.1621622120. The cubic root of 53716618 is about 377.3139717605.

The spelling of 53716618 in words is "fifty-three million, seven hundred sixteen thousand, six hundred eighteen".