56393132399 has 4 divisors (see below), whose sum is σ = 57165641136. Its totient is φ = 55620623664.

The previous prime is 56393132357. The next prime is 56393132423. The reversal of 56393132399 is 99323139365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99323139365 = 5 ⋅19864627873.

It is a cyclic number.

It is not a de Polignac number, because 56393132399 - 2²⁰ = 56392083823 is a prime.

It is a super-2 number, since 2×56393132399² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56393132399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56393132329) 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 3 ways as a sum of consecutive naturals, for example, 386254259 + ... + 386254404.

It is an arithmetic number, because the mean of its divisors is an integer number (14291410284).

Almost surely, 2^56393132399 is an apocalyptic number.

56393132399 is a deficient number, since it is larger than the sum of its proper divisors (772508737).

56393132399 is an equidigital number, since it uses as much as digits as its factorization.

56393132399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772508736.

The product of its digits is 3542940, while the sum is 53.

The spelling of 56393132399 in words is "fifty-six billion, three hundred ninety-three million, one hundred thirty-two thousand, three hundred ninety-nine".