45565977956553 has 12 divisors (see below), whose sum is σ = 67940669641728. Its totient is φ = 29397405133080.

The previous prime is 45565977956537. The next prime is 45565977956621. The reversal of 45565977956553 is 35565977956554.

45565977956553 is a `hidden beast` number, since 4 + 5 + 5 + 6 + 5 + 9 + 7 + 7 + 9 + 56 + 553 = 666.

It is not a de Polignac number, because 45565977956553 - 2⁴ = 45565977956537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45565977956153) 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, 81659458425 + ... + 81659458982.

It is an arithmetic number, because the mean of its divisors is an integer number (5661722470144).

Almost surely, 2^{45565977956553} is an apocalyptic number.

It is an amenable number.

45565977956553 is a deficient number, since it is larger than the sum of its proper divisors (22374691685175).

45565977956553 is a wasteful number, since it uses less digits than its factorization.

45565977956553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163318917444 (or 163318917441 counting only the distinct ones).

The product of its digits is 26790750000, while the sum is 81.

Subtracting from 45565977956553 its reverse (35565977956554), we obtain a palindrome (9999999999999).

The spelling of 45565977956553 in words is "forty-five trillion, five hundred sixty-five billion, nine hundred seventy-seven million, nine hundred fifty-six thousand, five hundred fifty-three".