55344044542 has 4 divisors (see below), whose sum is σ = 83016066816. Its totient is φ = 27672022270.

The previous prime is 55344044513. The next prime is 55344044543. The reversal of 55344044542 is 24544044355.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 55344044495 and 55344044504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55344044543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13836011134 + ... + 13836011137.

It is an arithmetic number, because the mean of its divisors is an integer number (20754016704).

Almost surely, 2^55344044542 is an apocalyptic number.

55344044542 is a deficient number, since it is larger than the sum of its proper divisors (27672022274).

55344044542 is a wasteful number, since it uses less digits than its factorization.

55344044542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27672022273.

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 55344044542 its reverse (24544044355), we get a palindrome (79888088897).

The spelling of 55344044542 in words is "fifty-five billion, three hundred forty-four million, forty-four thousand, five hundred forty-two".