255562642556 has 48 divisors (see below), whose sum is σ = 492021583200. Its totient is φ = 115420660992.

The previous prime is 255562642553. The next prime is 255562642571. The reversal of 255562642556 is 655246265552.

255562642556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a junction number, because it is equal to n+sod(n) for n = 255562642498 and 255562642507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255562642553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922190 + ... + 1166858.

It is an arithmetic number, because the mean of its divisors is an integer number (10250449650).

Almost surely, 2^255562642556 is an apocalyptic number.

255562642556 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

255562642556 is a deficient number, since it is larger than the sum of its proper divisors (236458940644).

255562642556 is a wasteful number, since it uses less digits than its factorization.

255562642556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245118 (or 245116 counting only the distinct ones).

The product of its digits is 21600000, while the sum is 53.

The spelling of 255562642556 in words is "two hundred fifty-five billion, five hundred sixty-two million, six hundred forty-two thousand, five hundred fifty-six".