56006555556156 has 48 divisors (see below), whose sum is σ = 137578790885760. Its totient is φ = 17683859718720.

The previous prime is 56006555556097. The next prime is 56006555556169. The reversal of 56006555556156 is 65165555560065.

It is a happy number.

It is a super-3 number, since 3×56006555556156³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56006555556156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15142735 + ... + 18474726.

It is an arithmetic number, because the mean of its divisors is an integer number (2866224810120).

Almost surely, 2^{56006555556156} is an apocalyptic number.

It is an amenable number.

56006555556156 is an abundant number, since it is smaller than the sum of its proper divisors (81572235329604).

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

56006555556156 is a wasteful number, since it uses less digits than its factorization.

56006555556156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33624794 (or 33624792 counting only the distinct ones).

The product of its (nonzero) digits is 101250000, while the sum is 60.

The spelling of 56006555556156 in words is "fifty-six trillion, six billion, five hundred fifty-five million, five hundred fifty-six thousand, one hundred fifty-six".