54564859 has 4 divisors (see below), whose sum is σ = 54580680. Its totient is φ = 54549040.

The previous prime is 54564857. The next prime is 54564869. The reversal of 54564859 is 95846545.

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

It is a cyclic number.

It is not a de Polignac number, because 54564859 - 2¹ = 54564857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54564857) 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, 289 + ... + 10450.

It is an arithmetic number, because the mean of its divisors is an integer number (13645170).

Almost surely, 2^54564859 is an apocalyptic number.

54564859 is a deficient number, since it is larger than the sum of its proper divisors (15821).

54564859 is a wasteful number, since it uses less digits than its factorization.

54564859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15820.

The product of its digits is 864000, while the sum is 46.

The square root of 54564859 is about 7386.8030297281. The cubic root of 54564859 is about 379.2896679287.

The spelling of 54564859 in words is "fifty-four million, five hundred sixty-four thousand, eight hundred fifty-nine".