55588263 has 32 divisors (see below), whose sum is σ = 80566272. Its totient is φ = 34003200.

The previous prime is 55588261. The next prime is 55588277. The reversal of 55588263 is 36288555.

55588263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55588263 - 2¹ = 55588261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55588261) 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 31 ways as a sum of consecutive naturals, for example, 197683 + ... + 197963.

It is an arithmetic number, because the mean of its divisors is an integer number (2517696).

Almost surely, 2^55588263 is an apocalyptic number.

55588263 is a deficient number, since it is larger than the sum of its proper divisors (24978009).

55588263 is a wasteful number, since it uses less digits than its factorization.

55588263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its digits is 288000, while the sum is 42.

The square root of 55588263 is about 7455.7536842361. The cubic root of 55588263 is about 381.6462808492.

The spelling of 55588263 in words is "fifty-five million, five hundred eighty-eight thousand, two hundred sixty-three".