54002566 has 4 divisors (see below), whose sum is σ = 81003852. Its totient is φ = 27001282.

The previous prime is 54002561. The next prime is 54002609. The reversal of 54002566 is 66520045.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54002561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13500640 + ... + 13500643.

It is an arithmetic number, because the mean of its divisors is an integer number (20250963).

Almost surely, 2^54002566 is an apocalyptic number.

54002566 is a deficient number, since it is larger than the sum of its proper divisors (27001286).

54002566 is a wasteful number, since it uses less digits than its factorization.

54002566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27001285.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 54002566 is about 7348.6438204610. The cubic root of 54002566 is about 377.9823018318.

The spelling of 54002566 in words is "fifty-four million, two thousand, five hundred sixty-six".