54513566 has 8 divisors (see below), whose sum is σ = 81808680. Its totient is φ = 27244008.

The previous prime is 54513541. The next prime is 54513583. The reversal of 54513566 is 66531545.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380 + ... + 10448.

It is an arithmetic number, because the mean of its divisors is an integer number (10226085).

Almost surely, 2^54513566 is an apocalyptic number.

54513566 is a deficient number, since it is larger than the sum of its proper divisors (27295114).

54513566 is a wasteful number, since it uses less digits than its factorization.

54513566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12778.

The product of its digits is 54000, while the sum is 35.

The square root of 54513566 is about 7383.3302784042. The cubic root of 54513566 is about 379.1707818631.

The spelling of 54513566 in words is "fifty-four million, five hundred thirteen thousand, five hundred sixty-six".