55302230 has 16 divisors (see below), whose sum is σ = 99628704. Its totient is φ = 22102080.

The previous prime is 55302227. The next prime is 55302239. The reversal of 55302230 is 3220355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55302239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21914 + ... + 24306.

It is an arithmetic number, because the mean of its divisors is an integer number (6226794).

Almost surely, 2^55302230 is an apocalyptic number.

55302230 is a deficient number, since it is larger than the sum of its proper divisors (44326474).

55302230 is a wasteful number, since it uses less digits than its factorization.

55302230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 55302230 is about 7436.5469137228. The cubic root of 55302230 is about 380.9905596731.

Adding to 55302230 its reverse (3220355), we get a palindrome (58522585).

The spelling of 55302230 in words is "fifty-five million, three hundred two thousand, two hundred thirty".