56521201143 has 16 divisors (see below), whose sum is σ = 84864678912. Its totient is φ = 33150264000.

The previous prime is 56521201133. The next prime is 56521201157. The reversal of 56521201143 is 34110212565.

It is not a de Polignac number, because 56521201143 - 2⁵ = 56521201111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56521201143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56521201133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27624198 + ... + 27626243.

It is an arithmetic number, because the mean of its divisors is an integer number (5304042432).

Almost surely, 2^56521201143 is an apocalyptic number.

56521201143 is a deficient number, since it is larger than the sum of its proper divisors (28343477769).

56521201143 is a wasteful number, since it uses less digits than its factorization.

56521201143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55250486.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 56521201143 in words is "fifty-six billion, five hundred twenty-one million, two hundred one thousand, one hundred forty-three".