56556054203643 has 64 divisors (see below), whose sum is σ = 85784412700800. Its totient is φ = 37275955833600.

The previous prime is 56556054203617. The next prime is 56556054203713. The reversal of 56556054203643 is 34630245065565.

It is a happy number.

56556054203643 is a `hidden beast` number, since 5 + 6 + 5 + 5 + 60 + 542 + 0 + 36 + 4 + 3 = 666.

It is not a de Polignac number, because 56556054203643 - 2¹⁰ = 56556054202619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56556054203643.

It is not an unprimeable number, because it can be changed into a prime (56556054203443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2791365133 + ... + 2791385393.

It is an arithmetic number, because the mean of its divisors is an integer number (1340381448450).

Almost surely, 2^{56556054203643} is an apocalyptic number.

56556054203643 is a deficient number, since it is larger than the sum of its proper divisors (29228358497157).

56556054203643 is an equidigital number, since it uses as much as digits as its factorization.

56556054203643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34712 (or 34694 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 54.

The spelling of 56556054203643 in words is "fifty-six trillion, five hundred fifty-six billion, fifty-four million, two hundred three thousand, six hundred forty-three".