55352242 has 32 divisors (see below), whose sum is σ = 94737600. Its totient is φ = 24024000.

The previous prime is 55352201. The next prime is 55352243. The reversal of 55352242 is 24225355.

It is a self number, because there is not a number n which added to its sum of digits gives 55352242.

It is not an unprimeable number, because it can be changed into a prime (55352243) 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, 64009 + ... + 64867.

It is an arithmetic number, because the mean of its divisors is an integer number (2960550).

Almost surely, 2^55352242 is an apocalyptic number.

55352242 is a deficient number, since it is larger than the sum of its proper divisors (39385358).

55352242 is a wasteful number, since it uses less digits than its factorization.

55352242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002.

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

The square root of 55352242 is about 7439.9087359994. The cubic root of 55352242 is about 381.1053733613.

Adding to 55352242 its reverse (24225355), we get a palindrome (79577597).

It can be divided in two parts, 5535 and 2242, that added together give a palindrome (7777).

The spelling of 55352242 in words is "fifty-five million, three hundred fifty-two thousand, two hundred forty-two".