56685253403 has 2 divisors, whose sum is σ = 56685253404. Its totient is φ = 56685253402.

The previous prime is 56685253357. The next prime is 56685253459. The reversal of 56685253403 is 30435258665.

56685253403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56685253403 - 2¹² = 56685249307 is a prime.

It is not a weakly prime, because it can be changed into another prime (56685253103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28342626701 + 28342626702.

It is an arithmetic number, because the mean of its divisors is an integer number (28342626702).

Almost surely, 2^56685253403 is an apocalyptic number.

56685253403 is a deficient number, since it is larger than the sum of its proper divisors (1).

56685253403 is an equidigital number, since it uses as much as digits as its factorization.

56685253403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 56685253403 in words is "fifty-six billion, six hundred eighty-five million, two hundred fifty-three thousand, four hundred three".