55244530 has 32 divisors (see below), whose sum is σ = 108941760. Its totient is φ = 20003520.

The previous prime is 55244503. The next prime is 55244537. The reversal of 55244530 is 3544255.

It is not an unprimeable number, because it can be changed into a prime (55244537) 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, 28657 + ... + 30523.

It is an arithmetic number, because the mean of its divisors is an integer number (3404430).

Almost surely, 2^55244530 is an apocalyptic number.

55244530 is a deficient number, since it is larger than the sum of its proper divisors (53697230).

55244530 is a wasteful number, since it uses less digits than its factorization.

55244530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 55244530 is about 7432.6664125333. Note that the first 3 decimals coincide. The cubic root of 55244530 is about 380.8580104362.

Adding to 55244530 its reverse (3544255), we get a palindrome (58788785).

The spelling of 55244530 in words is "fifty-five million, two hundred forty-four thousand, five hundred thirty".