56530487188 has 48 divisors (see below), whose sum is σ = 115414835200. Its totient is φ = 24217589088.

The previous prime is 56530487183. The next prime is 56530487201. The reversal of 56530487188 is 88178403565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56530487183) 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, 4159981 + ... + 4173547.

Almost surely, 2^56530487188 is an apocalyptic number.

It is an amenable number.

56530487188 is an abundant number, since it is smaller than the sum of its proper divisors (58884348012).

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

56530487188 is a wasteful number, since it uses less digits than its factorization.

56530487188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16629 (or 16613 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 56530487188 in words is "fifty-six billion, five hundred thirty million, four hundred eighty-seven thousand, one hundred eighty-eight".