56397382387 has 2 divisors, whose sum is σ = 56397382388. Its totient is φ = 56397382386.

The previous prime is 56397382331. The next prime is 56397382403. The reversal of 56397382387 is 78328379365.

56397382387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56397382387 - 2¹¹ = 56397380339 is a prime.

It is not a weakly prime, because it can be changed into another prime (56397382087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28198691193 + 28198691194.

It is an arithmetic number, because the mean of its divisors is an integer number (28198691194).

Almost surely, 2^56397382387 is an apocalyptic number.

56397382387 is a deficient number, since it is larger than the sum of its proper divisors (1).

56397382387 is an equidigital number, since it uses as much as digits as its factorization.

56397382387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 61.

The spelling of 56397382387 in words is "fifty-six billion, three hundred ninety-seven million, three hundred eighty-two thousand, three hundred eighty-seven".