55603344 has 40 divisors (see below), whose sum is σ = 143910432. Its totient is φ = 18499840.

The previous prime is 55603321. The next prime is 55603349. The reversal of 55603344 is 44330655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55603349) 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, 46012 + ... + 47204.

Almost surely, 2^55603344 is an apocalyptic number.

It is an amenable number.

55603344 is an abundant number, since it is smaller than the sum of its proper divisors (88307088).

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

55603344 is a wasteful number, since it uses less digits than its factorization.

55603344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 55603344 is about 7456.7649822158. The cubic root of 55603344 is about 381.6807910547.

Adding to 55603344 its reverse (44330655), we get a palindrome (99933999).

The spelling of 55603344 in words is "fifty-five million, six hundred three thousand, three hundred forty-four".