56545433454565 has 32 divisors (see below), whose sum is σ = 74085335001216. Its totient is φ = 41089392495360.

The previous prime is 56545433454551. The next prime is 56545433454581.

56545433454565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56545433454565 - 2¹⁵ = 56545433421797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56545433454497 and 56545433454506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561512359 + ... + 561613051.

It is an arithmetic number, because the mean of its divisors is an integer number (2315166718788).

Almost surely, 2^{56545433454565} is an apocalyptic number.

56545433454565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56545433454565 is a deficient number, since it is larger than the sum of its proper divisors (17539901546651).

56545433454565 is a wasteful number, since it uses less digits than its factorization.

56545433454565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109189.

The product of its digits is 1296000000, while the sum is 64.

The spelling of 56545433454565 in words is "fifty-six trillion, five hundred forty-five billion, four hundred thirty-three million, four hundred fifty-four thousand, five hundred sixty-five".