55230344 has 64 divisors (see below), whose sum is σ = 118487040. Its totient is φ = 23950080.

The previous prime is 55230341. The next prime is 55230347. The reversal of 55230344 is 44303255.

It is an interprime number because it is at equal distance from previous prime (55230341) and next prime (55230347).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (55230341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119057 + ... + 119519.

It is an arithmetic number, because the mean of its divisors is an integer number (1851360).

Almost surely, 2^55230344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55230344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59243520).

55230344 is an abundant number, since it is smaller than the sum of its proper divisors (63256696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55230344 is a wasteful number, since it uses less digits than its factorization.

55230344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 55230344 is about 7431.7120503959. The cubic root of 55230344 is about 380.8254080274.

Adding to 55230344 its reverse (44303255), we get a palindrome (99533599).

The spelling of 55230344 in words is "fifty-five million, two hundred thirty thousand, three hundred forty-four".