54530664553 has 4 divisors (see below), whose sum is σ = 55040297040. Its totient is φ = 54021032068.

The previous prime is 54530664523. The next prime is 54530664623. The reversal of 54530664553 is 35546603545.

54530664553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35546603545 = 5 ⋅7109320709.

It is a cyclic number.

It is not a de Polignac number, because 54530664553 - 2²⁵ = 54497110121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54530664523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254816083 + ... + 254816296.

It is an arithmetic number, because the mean of its divisors is an integer number (13760074260).

Almost surely, 2^54530664553 is an apocalyptic number.

It is an amenable number.

54530664553 is a deficient number, since it is larger than the sum of its proper divisors (509632487).

54530664553 is a wasteful number, since it uses less digits than its factorization.

54530664553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509632486.

The product of its (nonzero) digits is 3240000, while the sum is 46.

The spelling of 54530664553 in words is "fifty-four billion, five hundred thirty million, six hundred sixty-four thousand, five hundred fifty-three".