55454585 has 4 divisors (see below), whose sum is σ = 66545508. Its totient is φ = 44363664.

The previous prime is 55454579. The next prime is 55454611. The reversal of 55454585 is 58545455.

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 16679056 + 38775529 = 4084^2 + 6227^2 .

It is a cyclic number.

It is not a de Polignac number, because 55454585 - 2¹⁸ = 55192441 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, 5545454 + ... + 5545463.

It is an arithmetic number, because the mean of its divisors is an integer number (16636377).

Almost surely, 2^55454585 is an apocalyptic number.

It is an amenable number.

55454585 is a deficient number, since it is larger than the sum of its proper divisors (11090923).

55454585 is a wasteful number, since it uses less digits than its factorization.

55454585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090922.

The product of its digits is 400000, while the sum is 41.

The square root of 55454585 is about 7446.7835338487. The cubic root of 55454585 is about 381.3401091318.

The spelling of 55454585 in words is "fifty-five million, four hundred fifty-four thousand, five hundred eighty-five".