56533426667583 has 16 divisors (see below), whose sum is σ = 78146705581056. Its totient is φ = 36326699860160.

The previous prime is 56533426667581. The next prime is 56533426667587. The reversal of 56533426667583 is 38576662433565.

It is a happy number.

56533426667583 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56533426667583 - 2¹ = 56533426667581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56533426667581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2768793135 + ... + 2768813552.

It is an arithmetic number, because the mean of its divisors is an integer number (4884169098816).

Almost surely, 2^{56533426667583} is an apocalyptic number.

56533426667583 is a deficient number, since it is larger than the sum of its proper divisors (21613278913473).

56533426667583 is a wasteful number, since it uses less digits than its factorization.

56533426667583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537606814.

The product of its digits is 1959552000, while the sum is 69.

The spelling of 56533426667583 in words is "fifty-six trillion, five hundred thirty-three billion, four hundred twenty-six million, six hundred sixty-seven thousand, five hundred eighty-three".