56544422444565 has 32 divisors (see below), whose sum is σ = 98852130957312. Its totient is φ = 27372029832000.

The previous prime is 56544422444519. The next prime is 56544422444581.

56544422444565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56544422444565 - 2¹⁸ = 56544422182421 is a prime.

It is a super-2 number, since 2×56544422444565² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56544422444499 and 56544422444508.

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, 271443801 + ... + 271652030.

It is an arithmetic number, because the mean of its divisors is an integer number (3089129092416).

Almost surely, 2^{56544422444565} is an apocalyptic number.

56544422444565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56544422444565 is a deficient number, since it is larger than the sum of its proper divisors (42307708512747).

56544422444565 is a wasteful number, since it uses less digits than its factorization.

56544422444565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543096481.

The product of its digits is 368640000, while the sum is 60.

The spelling of 56544422444565 in words is "fifty-six trillion, five hundred forty-four billion, four hundred twenty-two million, four hundred forty-four thousand, five hundred sixty-five".