55626323240 has 16 divisors (see below), whose sum is σ = 125159227380. Its totient is φ = 22250529280.

The previous prime is 55626323227. The next prime is 55626323243. The reversal of 55626323240 is 4232362655.

55626323240 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 2 ways, for example, as 55269188836 + 357134404 = 235094^2 + 18898^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55626323194 and 55626323203.

It is not an unprimeable number, because it can be changed into a prime (55626323243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695329001 + ... + 695329080.

Almost surely, 2^55626323240 is an apocalyptic number.

It is an amenable number.

55626323240 is an abundant number, since it is smaller than the sum of its proper divisors (69532904140).

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

55626323240 is a wasteful number, since it uses less digits than its factorization.

55626323240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390658092 (or 1390658088 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 55626323240 its reverse (4232362655), we get a palindrome (59858685895).

The spelling of 55626323240 in words is "fifty-five billion, six hundred twenty-six million, three hundred twenty-three thousand, two hundred forty".