54773665 has 4 divisors (see below), whose sum is σ = 65728404. Its totient is φ = 43818928.

The previous prime is 54773633. The next prime is 54773681. The reversal of 54773665 is 56637745.

54773665 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 2 ways, for example, as 40666129 + 14107536 = 6377^2 + 3756^2 .

It is a cyclic number.

It is not a de Polignac number, because 54773665 - 2⁵ = 54773633 is a prime.

It is a Duffinian 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, 5477362 + ... + 5477371.

It is an arithmetic number, because the mean of its divisors is an integer number (16432101).

Almost surely, 2^54773665 is an apocalyptic number.

It is an amenable number.

54773665 is a deficient number, since it is larger than the sum of its proper divisors (10954739).

54773665 is a wasteful number, since it uses less digits than its factorization.

54773665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10954738.

The product of its digits is 529200, while the sum is 43.

The square root of 54773665 is about 7400.9232532165. The cubic root of 54773665 is about 379.7728674978.

The spelling of 54773665 in words is "fifty-four million, seven hundred seventy-three thousand, six hundred sixty-five".