55586845 has 4 divisors (see below), whose sum is σ = 66704220. Its totient is φ = 44469472.

The previous prime is 55586833. The next prime is 55586863. The reversal of 55586845 is 54868555.

It is a happy number.

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 29095236 + 26491609 = 5394^2 + 5147^2 .

It is a cyclic number.

It is not a de Polignac number, because 55586845 - 2⁷ = 55586717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55586795 and 55586804.

It is a congruent 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, 5558680 + ... + 5558689.

It is an arithmetic number, because the mean of its divisors is an integer number (16676055).

Almost surely, 2^55586845 is an apocalyptic number.

It is an amenable number.

55586845 is a deficient number, since it is larger than the sum of its proper divisors (11117375).

55586845 is a wasteful number, since it uses less digits than its factorization.

55586845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11117374.

The product of its digits is 960000, while the sum is 46.

The square root of 55586845 is about 7455.6585892864. The cubic root of 55586845 is about 381.6430356855.

It can be divided in two parts, 5558 and 6845, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 55586845 in words is "fifty-five million, five hundred eighty-six thousand, eight hundred forty-five".