54512566 has 8 divisors (see below), whose sum is σ = 81864720. Its totient is φ = 27224328.

The previous prime is 54512561. The next prime is 54512587. The reversal of 54512566 is 66521545.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54512561) 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, 13786 + ... + 17293.

It is an arithmetic number, because the mean of its divisors is an integer number (10233090).

Almost surely, 2^54512566 is an apocalyptic number.

54512566 is a deficient number, since it is larger than the sum of its proper divisors (27352154).

54512566 is a wasteful number, since it uses less digits than its factorization.

54512566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31958.

The product of its digits is 36000, while the sum is 34.

The square root of 54512566 is about 7383.2625579753. The cubic root of 54512566 is about 379.1684633386.

The spelling of 54512566 in words is "fifty-four million, five hundred twelve thousand, five hundred sixty-six".