56530487187 has 24 divisors (see below), whose sum is σ = 85250509344. Its totient is φ = 36029330304.

The previous prime is 56530487183. The next prime is 56530487201. The reversal of 56530487187 is 78178403565.

It is a happy number.

56530487187 is a `hidden beast` number, since 56 + 5 + 30 + 487 + 1 + 87 = 666.

It is not a de Polignac number, because 56530487187 - 2² = 56530487183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56530487183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324613 + ... + 467369.

It is an arithmetic number, because the mean of its divisors is an integer number (3552104556).

Almost surely, 2^56530487187 is an apocalyptic number.

56530487187 is a deficient number, since it is larger than the sum of its proper divisors (28720022157).

56530487187 is a wasteful number, since it uses less digits than its factorization.

56530487187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144699 (or 144696 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 56530487187 in words is "fifty-six billion, five hundred thirty million, four hundred eighty-seven thousand, one hundred eighty-seven".