55600344 has 96 divisors (see below), whose sum is σ = 160589520. Its totient is φ = 18009216.

The previous prime is 55600343. The next prime is 55600351. The reversal of 55600344 is 44300655.

55600344 is a `hidden beast` number, since 55 + 600 + 3 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55600343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71542 + ... + 72314.

Almost surely, 2^55600344 is an apocalyptic number.

55600344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55600344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80294760).

55600344 is an abundant number, since it is smaller than the sum of its proper divisors (104989176).

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

55600344 is a wasteful number, since it uses less digits than its factorization.

55600344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 55600344 is about 7456.5638198838. The cubic root of 55600344 is about 381.6739265817.

Adding to 55600344 its reverse (44300655), we get a palindrome (99900999).

The spelling of 55600344 in words is "fifty-five million, six hundred thousand, three hundred forty-four".