54566623 has 4 divisors (see below), whose sum is σ = 54603400. Its totient is φ = 54529848.

The previous prime is 54566597. The next prime is 54566641. The reversal of 54566623 is 32666545.

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

It is a cyclic number.

It is not a de Polignac number, because 54566623 - 2⁹ = 54566111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54566653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16065 + ... + 19162.

It is an arithmetic number, because the mean of its divisors is an integer number (13650850).

Almost surely, 2^54566623 is an apocalyptic number.

54566623 is a deficient number, since it is larger than the sum of its proper divisors (36777).

54566623 is a wasteful number, since it uses less digits than its factorization.

54566623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36776.

The product of its digits is 129600, while the sum is 37.

The square root of 54566623 is about 7386.9224308910. The cubic root of 54566623 is about 379.2937551733.

The spelling of 54566623 in words is "fifty-four million, five hundred sixty-six thousand, six hundred twenty-three".