55360443140 has 24 divisors (see below), whose sum is σ = 116764612440. Its totient is φ = 22047475968.

The previous prime is 55360443119. The next prime is 55360443163. The reversal of 55360443140 is 4134406355.

55360443140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7557868096 + 47802575044 = 86936^2 + 218638^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55360443140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6039137 + ... + 6048296.

It is an arithmetic number, because the mean of its divisors is an integer number (4865192185).

Almost surely, 2^55360443140 is an apocalyptic number.

It is an amenable number.

55360443140 is an abundant number, since it is smaller than the sum of its proper divisors (61404169300).

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

55360443140 is a wasteful number, since it uses less digits than its factorization.

55360443140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12087671 (or 12087669 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 55360443140 its reverse (4134406355), we get a palindrome (59494849495).

The spelling of 55360443140 in words is "fifty-five billion, three hundred sixty million, four hundred forty-three thousand, one hundred forty".