55323447544 has 24 divisors (see below), whose sum is σ = 106610810040. Its totient is φ = 26914104288.

The previous prime is 55323447541. The next prime is 55323447559. The reversal of 55323447544 is 44574432355.

It is a junction number, because it is equal to n+sod(n) for n = 55323447494 and 55323447503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55323447541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2514772 + ... + 2536675.

It is an arithmetic number, because the mean of its divisors is an integer number (4442117085).

Almost surely, 2^55323447544 is an apocalyptic number.

It is an amenable number.

55323447544 is a deficient number, since it is larger than the sum of its proper divisors (51287362496).

55323447544 is a wasteful number, since it uses less digits than its factorization.

55323447544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051527 (or 5051486 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 46.

Adding to 55323447544 its reverse (44574432355), we get a palindrome (99897879899).

The spelling of 55323447544 in words is "fifty-five billion, three hundred twenty-three million, four hundred forty-seven thousand, five hundred forty-four".