55044523 has 4 divisors (see below), whose sum is σ = 56942640. Its totient is φ = 53146408.

The previous prime is 55044503. The next prime is 55044527. The reversal of 55044523 is 32544055.

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-55044523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55044491 and 55044500.

It is not an unprimeable number, because it can be changed into a prime (55044527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949015 + ... + 949072.

It is an arithmetic number, because the mean of its divisors is an integer number (14235660).

Almost surely, 2^55044523 is an apocalyptic number.

55044523 is a deficient number, since it is larger than the sum of its proper divisors (1898117).

55044523 is a wasteful number, since it uses less digits than its factorization.

55044523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898116.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 55044523 is about 7419.1996199051. The cubic root of 55044523 is about 380.3978358850.

Adding to 55044523 its reverse (32544055), we get a palindrome (87588578).

The spelling of 55044523 in words is "fifty-five million, forty-four thousand, five hundred twenty-three".