54123566 has 8 divisors (see below), whose sum is σ = 92783280. Its totient is φ = 23195808.

The previous prime is 54123557. The next prime is 54123581. The reversal of 54123566 is 66532145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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, 1932971 + ... + 1932998.

It is an arithmetic number, because the mean of its divisors is an integer number (11597910).

Almost surely, 2^54123566 is an apocalyptic number.

54123566 is a deficient number, since it is larger than the sum of its proper divisors (38659714).

54123566 is a wasteful number, since it uses less digits than its factorization.

54123566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865978.

The product of its digits is 21600, while the sum is 32.

The square root of 54123566 is about 7356.8720255282. The cubic root of 54123566 is about 378.2643979447.

The spelling of 54123566 in words is "fifty-four million, one hundred twenty-three thousand, five hundred sixty-six".