56321583303 has 4 divisors (see below), whose sum is σ = 75095444408. Its totient is φ = 37547722200.

The previous prime is 56321583281. The next prime is 56321583323. The reversal of 56321583303 is 30338512365.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 56321583303 - 2¹³ = 56321575111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56321583323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9386930548 + ... + 9386930553.

It is an arithmetic number, because the mean of its divisors is an integer number (18773861102).

Almost surely, 2^56321583303 is an apocalyptic number.

56321583303 is a deficient number, since it is larger than the sum of its proper divisors (18773861105).

56321583303 is a wasteful number, since it uses less digits than its factorization.

56321583303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18773861104.

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 56321583303 in words is "fifty-six billion, three hundred twenty-one million, five hundred eighty-three thousand, three hundred three".