55582303 has 4 divisors (see below), whose sum is σ = 63522640. Its totient is φ = 47641968.

The previous prime is 55582301. The next prime is 55582313. The reversal of 55582303 is 30328555.

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 55582303 - 2¹ = 55582301 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 (55582301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3970158 + ... + 3970171.

It is an arithmetic number, because the mean of its divisors is an integer number (15880660).

Almost surely, 2^55582303 is an apocalyptic number.

55582303 is a deficient number, since it is larger than the sum of its proper divisors (7940337).

55582303 is an equidigital number, since it uses as much as digits as its factorization.

55582303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7940336.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 55582303 is about 7455.3539822063. The cubic root of 55582303 is about 381.6326407208.

The spelling of 55582303 in words is "fifty-five million, five hundred eighty-two thousand, three hundred three".