55253223 has 12 divisors (see below), whose sum is σ = 80347800. Its totient is φ = 36587376.

The previous prime is 55253221. The next prime is 55253227. The reversal of 55253223 is 32235255.

It is not a de Polignac number, because 55253223 - 2¹ = 55253221 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55253221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19261 + ... + 21942.

It is an arithmetic number, because the mean of its divisors is an integer number (6695650).

Almost surely, 2^55253223 is an apocalyptic number.

55253223 is a deficient number, since it is larger than the sum of its proper divisors (25094577).

55253223 is a wasteful number, since it uses less digits than its factorization.

55253223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41358 (or 41355 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 55253223 is about 7433.2511729391. The cubic root of 55253223 is about 380.8779860190.

Adding to 55253223 its reverse (32235255), we get a palindrome (87488478).

The spelling of 55253223 in words is "fifty-five million, two hundred fifty-three thousand, two hundred twenty-three".