55344503 has 4 divisors (see below), whose sum is σ = 58600080. Its totient is φ = 52088928.

The previous prime is 55344493. The next prime is 55344533. The reversal of 55344503 is 30544355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55344503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55344533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627763 + ... + 1627796.

It is an arithmetic number, because the mean of its divisors is an integer number (14650020).

Almost surely, 2^55344503 is an apocalyptic number.

55344503 is a deficient number, since it is larger than the sum of its proper divisors (3255577).

55344503 is a wasteful number, since it uses less digits than its factorization.

55344503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255576.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 55344503 is about 7439.3886173529. The cubic root of 55344503 is about 381.0876112867.

Adding to 55344503 its reverse (30544355), we get a palindrome (85888858).

The spelling of 55344503 in words is "fifty-five million, three hundred forty-four thousand, five hundred three".