55322563 has 4 divisors (see below), whose sum is σ = 55342440. Its totient is φ = 55302688.

The previous prime is 55322549. The next prime is 55322609. The reversal of 55322563 is 36522355.

55322563 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 55322563 - 2⁹ = 55322051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55322963) 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, 4918 + ... + 11611.

It is an arithmetic number, because the mean of its divisors is an integer number (13835610).

Almost surely, 2^55322563 is an apocalyptic number.

55322563 is a deficient number, since it is larger than the sum of its proper divisors (19877).

55322563 is a wasteful number, since it uses less digits than its factorization.

55322563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19876.

The product of its digits is 27000, while the sum is 31.

The square root of 55322563 is about 7437.9138876435. The cubic root of 55322563 is about 381.0372469516.

The spelling of 55322563 in words is "fifty-five million, three hundred twenty-two thousand, five hundred sixty-three".