56329886399 has 2 divisors, whose sum is σ = 56329886400. Its totient is φ = 56329886398.

The previous prime is 56329886363. The next prime is 56329886407. The reversal of 56329886399 is 99368892365.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56329886399 is a prime.

It is a super-2 number, since 2×56329886399² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56329286399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28164943199 + 28164943200.

It is an arithmetic number, because the mean of its divisors is an integer number (28164943200).

Almost surely, 2^56329886399 is an apocalyptic number.

56329886399 is a deficient number, since it is larger than the sum of its proper divisors (1).

56329886399 is an equidigital number, since it uses as much as digits as its factorization.

56329886399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151165440, while the sum is 68.

The spelling of 56329886399 in words is "fifty-six billion, three hundred twenty-nine million, eight hundred eighty-six thousand, three hundred ninety-nine".