6545562655455 has 12 divisors (see below), whose sum is σ = 11345641936200. Its totient is φ = 3490966749552.

The previous prime is 6545562655417. The next prime is 6545562655459. The reversal of 6545562655455 is 5545562655456.

It is a happy number.

6545562655455 is a `hidden beast` number, since 6 + 5 + 4 + 5 + 5 + 6 + 26 + 554 + 55 = 666.

It is not a de Polignac number, because 6545562655455 - 2⁶ = 6545562655391 is a prime.

It is a super-2 number, since 2×6545562655455² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6545562655392 and 6545562655401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545562655459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72728473905 + ... + 72728473994.

It is an arithmetic number, because the mean of its divisors is an integer number (945470161350).

Almost surely, 2^{6545562655455} is an apocalyptic number.

6545562655455 is a deficient number, since it is larger than the sum of its proper divisors (4800079280745).

6545562655455 is a wasteful number, since it uses less digits than its factorization.

6545562655455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145456947910 (or 145456947907 counting only the distinct ones).

The product of its digits is 540000000, while the sum is 63.

Subtracting from 6545562655455 its reverse (5545562655456), we obtain a palindrome (999999999999).

The spelling of 6545562655455 in words is "six trillion, five hundred forty-five billion, five hundred sixty-two million, six hundred fifty-five thousand, four hundred fifty-five".