55658285 has 4 divisors (see below), whose sum is σ = 66789948. Its totient is φ = 44526624.

The previous prime is 55658257. The next prime is 55658303. The reversal of 55658285 is 58285655.

55658285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6405961 + 49252324 = 2531^2 + 7018^2 .

It is a cyclic number.

It is not a de Polignac number, because 55658285 - 2¹⁶ = 55592749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5565824 + ... + 5565833.

It is an arithmetic number, because the mean of its divisors is an integer number (16697487).

Almost surely, 2^55658285 is an apocalyptic number.

It is an amenable number.

55658285 is a deficient number, since it is larger than the sum of its proper divisors (11131663).

55658285 is a wasteful number, since it uses less digits than its factorization.

55658285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11131662.

The product of its digits is 480000, while the sum is 44.

The square root of 55658285 is about 7460.4480428457. The cubic root of 55658285 is about 381.8064610829.

The spelling of 55658285 in words is "fifty-five million, six hundred fifty-eight thousand, two hundred eighty-five".