55658263 has 4 divisors (see below), whose sum is σ = 56150928. Its totient is φ = 55165600.

The previous prime is 55658257. The next prime is 55658303. The reversal of 55658263 is 36285655.

55658263 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 is a cyclic number.

It is not a de Polignac number, because 55658263 - 2⁹ = 55657751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55658563) by changing a digit.

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, 246163 + ... + 246388.

It is an arithmetic number, because the mean of its divisors is an integer number (14037732).

Almost surely, 2^55658263 is an apocalyptic number.

55658263 is a deficient number, since it is larger than the sum of its proper divisors (492665).

55658263 is a wasteful number, since it uses less digits than its factorization.

55658263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492664.

The product of its digits is 216000, while the sum is 40.

The square root of 55658263 is about 7460.4465684033. The cubic root of 55658263 is about 381.8064107774.

The spelling of 55658263 in words is "fifty-five million, six hundred fifty-eight thousand, two hundred sixty-three".