56028403288665 has 48 divisors (see below), whose sum is σ = 102830827701888. Its totient is φ = 28123451693568.

The previous prime is 56028403288657. The next prime is 56028403288679. The reversal of 56028403288665 is 56688230482065.

It is a happy number.

56028403288665 is a `hidden beast` number, since 56 + 0 + 28 + 403 + 28 + 86 + 65 = 666.

It is not a de Polignac number, because 56028403288665 - 2³ = 56028403288657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35615772 + ... + 37155618.

It is an arithmetic number, because the mean of its divisors is an integer number (2142308910456).

Almost surely, 2^{56028403288665} is an apocalyptic number.

It is an amenable number.

56028403288665 is a deficient number, since it is larger than the sum of its proper divisors (46802424413223).

56028403288665 is a wasteful number, since it uses less digits than its factorization.

56028403288665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587438 (or 1587435 counting only the distinct ones).

The product of its (nonzero) digits is 132710400, while the sum is 63.

The spelling of 56028403288665 in words is "fifty-six trillion, twenty-eight billion, four hundred three million, two hundred eighty-eight thousand, six hundred sixty-five".