56645255254665 has 64 divisors (see below), whose sum is σ = 113043553505280. Its totient is φ = 23531030288640.

The previous prime is 56645255254649. The next prime is 56645255254669.

56645255254665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56645255254665 - 2⁴ = 56645255254649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56645255254596 and 56645255254605.

It is not an unprimeable number, because it can be changed into a prime (56645255254669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7505149 + ... + 13023738.

It is an arithmetic number, because the mean of its divisors is an integer number (1766305523520).

Almost surely, 2^{56645255254665} is an apocalyptic number.

56645255254665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56645255254665 is a deficient number, since it is larger than the sum of its proper divisors (56398298250615).

56645255254665 is a wasteful number, since it uses less digits than its factorization.

56645255254665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20531302.

The product of its digits is 1296000000, while the sum is 66.

The spelling of 56645255254665 in words is "fifty-six trillion, six hundred forty-five billion, two hundred fifty-five million, two hundred fifty-four thousand, six hundred sixty-five".