187000056 has 32 divisors (see below), whose sum is σ = 519445200. Its totient is φ = 62333280.

The previous prime is 187000043. The next prime is 187000067. The reversal of 187000056 is 650000781.

187000056 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 (27).

It is a junction number, because it is equal to n+sod(n) for n = 186999993 and 187000029.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432655 + ... + 433086.

Almost surely, 2^187000056 is an apocalyptic number.

It is an amenable number.

187000056 is an abundant number, since it is smaller than the sum of its proper divisors (332445144).

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

187000056 is a wasteful number, since it uses less digits than its factorization.

187000056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865756 (or 865746 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 187000056 is about 13674.7963787400. The cubic root of 187000056 is about 571.8479635700.

The spelling of 187000056 in words is "one hundred eighty-seven million, fifty-six", and thus it is an aban number.