56642060286 has 96 divisors (see below), whose sum is σ = 143401752000. Its totient is φ = 16151466240.

The previous prime is 56642060231. The next prime is 56642060291. The reversal of 56642060286 is 68206024665.

56642060286 is a `hidden beast` number, since 566 + 4 + 2 + 0 + 6 + 0 + 2 + 86 = 666.

It is a congruent number.

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, 3207850 + ... + 3225458.

It is an arithmetic number, because the mean of its divisors is an integer number (1493768250).

Almost surely, 2^56642060286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56642060286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71700876000).

56642060286 is an abundant number, since it is smaller than the sum of its proper divisors (86759691714).

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

56642060286 is a wasteful number, since it uses less digits than its factorization.

56642060286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18159 (or 18142 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 56642060286 in words is "fifty-six billion, six hundred forty-two million, sixty thousand, two hundred eighty-six".