55605344 has 12 divisors (see below), whose sum is σ = 109473084. Its totient is φ = 27802656.

The previous prime is 55605323. The next prime is 55605349. The reversal of 55605344 is 44350655.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1737667 = 55605344 / (5 + 5 + 6 + 0 + 5 + 3 + 4 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 55605344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55605349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 868802 + ... + 868865.

It is an arithmetic number, because the mean of its divisors is an integer number (9122757).

Almost surely, 2^55605344 is an apocalyptic number.

It is an amenable number.

55605344 is a deficient number, since it is larger than the sum of its proper divisors (53867740).

55605344 is a wasteful number, since it uses less digits than its factorization.

55605344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737677 (or 1737669 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 55605344 is about 7456.8990874223. The cubic root of 55605344 is about 381.6853672329.

Adding to 55605344 its reverse (44350655), we get a palindrome (99955999).

The spelling of 55605344 in words is "fifty-five million, six hundred five thousand, three hundred forty-four".