55027823 has 4 divisors (see below), whose sum is σ = 55042968. Its totient is φ = 55012680.

The previous prime is 55027811. The next prime is 55027849. The reversal of 55027823 is 32872055.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55027823 - 2¹⁸ = 54765679 is a prime.

It is a super-2 number, since 2×55027823² = 6056122608238658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55027823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55027223) 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, 1508 + ... + 10598.

It is an arithmetic number, because the mean of its divisors is an integer number (13760742).

Almost surely, 2^55027823 is an apocalyptic number.

55027823 is a deficient number, since it is larger than the sum of its proper divisors (15145).

55027823 is an equidigital number, since it uses as much as digits as its factorization.

55027823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15144.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 55027823 is about 7418.0740762006. The cubic root of 55027823 is about 380.3593622636.

Adding to 55027823 its reverse (32872055), we get a palindrome (87899878).

The spelling of 55027823 in words is "fifty-five million, twenty-seven thousand, eight hundred twenty-three".