54565613 has 4 divisors (see below), whose sum is σ = 55075680. Its totient is φ = 54055548.

The previous prime is 54565607. The next prime is 54565657. The reversal of 54565613 is 31656545.

54565613 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54565613 is a prime.

It is a super-2 number, since 2×54565613² = 5954812244131538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54565213) by changing a digit.

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, 254873 + ... + 255086.

It is an arithmetic number, because the mean of its divisors is an integer number (13768920).

Almost surely, 2^54565613 is an apocalyptic number.

It is an amenable number.

54565613 is a deficient number, since it is larger than the sum of its proper divisors (510067).

54565613 is a wasteful number, since it uses less digits than its factorization.

54565613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510066.

The product of its digits is 54000, while the sum is 35.

The square root of 54565613 is about 7386.8540665157. The cubic root of 54565613 is about 379.2914149817.

The spelling of 54565613 in words is "fifty-four million, five hundred sixty-five thousand, six hundred thirteen".