55527872556 has 48 divisors (see below), whose sum is σ = 139653255168. Its totient is φ = 17070600000.

The previous prime is 55527872551. The next prime is 55527872557. The reversal of 55527872556 is 65527872555.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55527872496 and 55527872505.

It is not an unprimeable number, because it can be changed into a prime (55527872551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24931 + ... + 334181.

It is an arithmetic number, because the mean of its divisors is an integer number (2909442816).

Almost surely, 2^55527872556 is an apocalyptic number.

It is an amenable number.

55527872556 is an abundant number, since it is smaller than the sum of its proper divisors (84125382612).

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

55527872556 is a wasteful number, since it uses less digits than its factorization.

55527872556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310422 (or 310420 counting only the distinct ones).

The product of its digits is 29400000, while the sum is 57.

Subtracting 55527872556 from its reverse (65527872555), we obtain a palindrome (9999999999).

The spelling of 55527872556 in words is "fifty-five billion, five hundred twenty-seven million, eight hundred seventy-two thousand, five hundred fifty-six".