55224324140 has 48 divisors (see below), whose sum is σ = 120673348992. Its totient is φ = 21211796736.

The previous prime is 55224324097. The next prime is 55224324157. The reversal of 55224324140 is 4142342255.

It is a junction number, because it is equal to n+sod(n) for n = 55224324097 and 55224324106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504419 + ... + 604058.

It is an arithmetic number, because the mean of its divisors is an integer number (2514028104).

Almost surely, 2^55224324140 is an apocalyptic number.

It is an amenable number.

55224324140 is an abundant number, since it is smaller than the sum of its proper divisors (65449024852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55224324140 is a wasteful number, since it uses less digits than its factorization.

55224324140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108586 (or 1108584 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 55224324140 its reverse (4142342255), we get a palindrome (59366666395).

The spelling of 55224324140 in words is "fifty-five billion, two hundred twenty-four million, three hundred twenty-four thousand, one hundred forty".