54143585 has 4 divisors (see below), whose sum is σ = 64972308. Its totient is φ = 43314864.

The previous prime is 54143569. The next prime is 54143591. The reversal of 54143585 is 58534145.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12166144 + 41977441 = 3488^2 + 6479^2 .

It is a cyclic number.

It is not a de Polignac number, because 54143585 - 2⁴ = 54143569 is a prime.

It is a Duffinian 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, 5414354 + ... + 5414363.

It is an arithmetic number, because the mean of its divisors is an integer number (16243077).

Almost surely, 2^54143585 is an apocalyptic number.

It is an amenable number.

54143585 is a deficient number, since it is larger than the sum of its proper divisors (10828723).

54143585 is a wasteful number, since it uses less digits than its factorization.

54143585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10828722.

The product of its digits is 48000, while the sum is 35.

The square root of 54143585 is about 7358.2324643898. The cubic root of 54143585 is about 378.3110291512.

The spelling of 54143585 in words is "fifty-four million, one hundred forty-three thousand, five hundred eighty-five".