54743665 has 4 divisors (see below), whose sum is σ = 65692404. Its totient is φ = 43794928.

The previous prime is 54743659. The next prime is 54743701. The reversal of 54743665 is 56634745.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18249984 + 36493681 = 4272^2 + 6041^2 .

It is a cyclic number.

It is not a de Polignac number, because 54743665 - 2¹⁹ = 54219377 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5474362 + ... + 5474371.

It is an arithmetic number, because the mean of its divisors is an integer number (16423101).

Almost surely, 2^54743665 is an apocalyptic number.

It is an amenable number.

54743665 is a deficient number, since it is larger than the sum of its proper divisors (10948739).

54743665 is a wasteful number, since it uses less digits than its factorization.

54743665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10948738.

The product of its digits is 302400, while the sum is 40.

The square root of 54743665 is about 7398.8962014614. The cubic root of 54743665 is about 379.7035198974.

The spelling of 54743665 in words is "fifty-four million, seven hundred forty-three thousand, six hundred sixty-five".