555811623028 has 12 divisors (see below), whose sum is σ = 976286217060. Its totient is φ = 276872703872.

The previous prime is 555811623019. The next prime is 555811623041. The reversal of 555811623028 is 820326118555.

It can be written as a sum of positive squares in 2 ways, for example, as 276983269264 + 278828353764 = 526292^2 + 528042^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258275701 + ... + 258277852.

It is an arithmetic number, because the mean of its divisors is an integer number (81357184755).

Almost surely, 2^555811623028 is an apocalyptic number.

It is an amenable number.

555811623028 is a deficient number, since it is larger than the sum of its proper divisors (420474594032).

555811623028 is a wasteful number, since it uses less digits than its factorization.

555811623028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516553826 (or 516553824 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 555811623028 in words is "five hundred fifty-five billion, eight hundred eleven million, six hundred twenty-three thousand, twenty-eight".