55582855 has 4 divisors (see below), whose sum is σ = 66699432. Its totient is φ = 44466280.

The previous prime is 55582823. The next prime is 55582861. The reversal of 55582855 is 55828555.

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

It is not a de Polignac number, because 55582855 - 2⁵ = 55582823 is a prime.

It is a Duffinian number.

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, 5558281 + ... + 5558290.

It is an arithmetic number, because the mean of its divisors is an integer number (16674858).

Almost surely, 2^55582855 is an apocalyptic number.

55582855 is a deficient number, since it is larger than the sum of its proper divisors (11116577).

55582855 is a wasteful number, since it uses less digits than its factorization.

55582855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11116576.

The product of its digits is 400000, while the sum is 43.

The square root of 55582855 is about 7455.3910024894. The cubic root of 55582855 is about 381.6339040757.

The spelling of 55582855 in words is "fifty-five million, five hundred eighty-two thousand, eight hundred fifty-five".