655551030588 has 24 divisors (see below), whose sum is σ = 1529654899920. Its totient is φ = 218511891840.

The previous prime is 655551030551. The next prime is 655551030623. The reversal of 655551030588 is 885030155556.

It is a self number, because there is not a number n which added to its sum of digits gives 655551030588.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 87033 + ... + 1148336.

It is an arithmetic number, because the mean of its divisors is an integer number (63735620830).

Almost surely, 2^655551030588 is an apocalyptic number.

It is an amenable number.

655551030588 is an abundant number, since it is smaller than the sum of its proper divisors (874103869332).

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

655551030588 is a wasteful number, since it uses less digits than its factorization.

655551030588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279597 (or 1279595 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 51.

The spelling of 655551030588 in words is "six hundred fifty-five billion, five hundred fifty-one million, thirty thousand, five hundred eighty-eight".