54511566 has 8 divisors (see below), whose sum is σ = 109023144. Its totient is φ = 18170520.

The previous prime is 54511559. The next prime is 54511579. The reversal of 54511566 is 66511545.

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

54511566 is an admirable number.

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, 4542625 + ... + 4542636.

It is an arithmetic number, because the mean of its divisors is an integer number (13627893).

Almost surely, 2^54511566 is an apocalyptic number.

54511566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54511566 is a wasteful number, since it uses less digits than its factorization.

54511566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9085266.

The product of its digits is 18000, while the sum is 33.

The square root of 54511566 is about 7383.1948369253. The cubic root of 54511566 is about 379.1661447859.

The spelling of 54511566 in words is "fifty-four million, five hundred eleven thousand, five hundred sixty-six".