54542566 has 16 divisors (see below), whose sum is σ = 88275600. Its totient is φ = 25125408.

The previous prime is 54542561. The next prime is 54542599. The reversal of 54542566 is 66524545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54542561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14400 + ... + 17788.

It is an arithmetic number, because the mean of its divisors is an integer number (5517225).

Almost surely, 2^54542566 is an apocalyptic number.

54542566 is a deficient number, since it is larger than the sum of its proper divisors (33733034).

54542566 is a wasteful number, since it uses less digits than its factorization.

54542566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023.

The product of its digits is 144000, while the sum is 37.

The square root of 54542566 is about 7385.2939007192. The cubic root of 54542566 is about 379.2380067405.

The spelling of 54542566 in words is "fifty-four million, five hundred forty-two thousand, five hundred sixty-six".