56564821383 has 8 divisors (see below), whose sum is σ = 86194013568. Its totient is φ = 32322755064.

The previous prime is 56564821373. The next prime is 56564821447. The reversal of 56564821383 is 38312846565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56564821383 - 2⁵ = 56564821351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56564821343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346781441 + ... + 1346781482.

It is an arithmetic number, because the mean of its divisors is an integer number (10774251696).

Almost surely, 2^56564821383 is an apocalyptic number.

56564821383 is a deficient number, since it is larger than the sum of its proper divisors (29629192185).

56564821383 is a wasteful number, since it uses less digits than its factorization.

56564821383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693562933.

The product of its digits is 4147200, while the sum is 51.

The spelling of 56564821383 in words is "fifty-six billion, five hundred sixty-four million, eight hundred twenty-one thousand, three hundred eighty-three".