55613244 has 24 divisors (see below), whose sum is σ = 130061008. Its totient is φ = 18495360.

The previous prime is 55613231. The next prime is 55613263. The reversal of 55613244 is 44231655.

55613244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414 + ... + 10554.

Almost surely, 2^55613244 is an apocalyptic number.

It is an amenable number.

55613244 is an abundant number, since it is smaller than the sum of its proper divisors (74447764).

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

55613244 is a wasteful number, since it uses less digits than its factorization.

55613244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10605 (or 10603 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 55613244 is about 7457.4287794118. The cubic root of 55613244 is about 381.7034420641.

Adding to 55613244 its reverse (44231655), we get a palindrome (99844899).

The spelling of 55613244 in words is "fifty-five million, six hundred thirteen thousand, two hundred forty-four".