55224540235140 has 24 divisors (see below), whose sum is σ = 154628712658560. Its totient is φ = 14726544062688.

The previous prime is 55224540235099. The next prime is 55224540235147. The reversal of 55224540235140 is 4153204542255.

It is a junction number, because it is equal to n+sod(n) for n = 55224540235092 and 55224540235101.

It is not an unprimeable number, because it can be changed into a prime (55224540235147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460204501900 + ... + 460204502019.

It is an arithmetic number, because the mean of its divisors is an integer number (6442863027440).

Almost surely, 2^{55224540235140} is an apocalyptic number.

It is an amenable number.

55224540235140 is an abundant number, since it is smaller than the sum of its proper divisors (99404172423420).

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

55224540235140 is a wasteful number, since it uses less digits than its factorization.

55224540235140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920409003931 (or 920409003929 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

Adding to 55224540235140 its reverse (4153204542255), we get a palindrome (59377744777395).

The spelling of 55224540235140 in words is "fifty-five trillion, two hundred twenty-four billion, five hundred forty million, two hundred thirty-five thousand, one hundred forty".