55230723 has 12 divisors (see below), whose sum is σ = 80185248. Its totient is φ = 36632400.

The previous prime is 55230709. The next prime is 55230821. The reversal of 55230723 is 32703255.

It is not a de Polignac number, because 55230723 - 2⁵ = 55230691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55230523) 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, 13803 + ... + 17348.

It is an arithmetic number, because the mean of its divisors is an integer number (6682104).

Almost surely, 2^55230723 is an apocalyptic number.

55230723 is a deficient number, since it is larger than the sum of its proper divisors (24954525).

55230723 is a wasteful number, since it uses less digits than its factorization.

55230723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31354 (or 31351 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 55230723 is about 7431.7375491873. The cubic root of 55230723 is about 380.8262791216.

Adding to 55230723 its reverse (32703255), we get a palindrome (87933978).

The spelling of 55230723 in words is "fifty-five million, two hundred thirty thousand, seven hundred twenty-three".