56320453343381 has 4 divisors (see below), whose sum is σ = 57694122937164. Its totient is φ = 54946783749600.

The previous prime is 56320453343369. The next prime is 56320453343423. The reversal of 56320453343381 is 18334335402365.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18036720205156 + 38283733138225 = 4246966^2 + 6187385^2 .

It is a cyclic number.

It is not a de Polignac number, because 56320453343381 - 2⁶ = 56320453343317 is a prime.

It is a super-2 number, since 2×56320453343381² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56320453343981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686834796830 + ... + 686834796911.

It is an arithmetic number, because the mean of its divisors is an integer number (14423530734291).

Almost surely, 2^{56320453343381} is an apocalyptic number.

It is an amenable number.

56320453343381 is a deficient number, since it is larger than the sum of its proper divisors (1373669593783).

56320453343381 is a wasteful number, since it uses less digits than its factorization.

56320453343381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373669593782.

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 56320453343381 in words is "fifty-six trillion, three hundred twenty billion, four hundred fifty-three million, three hundred forty-three thousand, three hundred eighty-one".