56022803783221 has 16 divisors (see below), whose sum is σ = 61130536258176. Its totient is φ = 50917531000000.

The previous prime is 56022803783201. The next prime is 56022803783267. The reversal of 56022803783221 is 12238730822065.

It is a cyclic number.

It is not a de Polignac number, because 56022803783221 - 2²³ = 56022795394613 is a prime.

It is a super-2 number, since 2×56022803783221² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56022803783201) 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, 1863002616 + ... + 1863032686.

It is an arithmetic number, because the mean of its divisors is an integer number (3820658516136).

Almost surely, 2^{56022803783221} is an apocalyptic number.

It is an amenable number.

56022803783221 is a deficient number, since it is larger than the sum of its proper divisors (5107732474955).

56022803783221 is a wasteful number, since it uses less digits than its factorization.

56022803783221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65324.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 56022803783221 in words is "fifty-six trillion, twenty-two billion, eight hundred three million, seven hundred eighty-three thousand, two hundred twenty-one".