54551211543 has 12 divisors (see below), whose sum is σ = 82943362840. Its totient is φ = 34453396656.

The previous prime is 54551211527. The next prime is 54551211551. The reversal of 54551211543 is 34511215545.

54551211543 is a `hidden beast` number, since 5 + 45 + 51 + 21 + 1 + 543 = 666.

54551211543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54551211543 - 2⁴ = 54551211527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54551211498 and 54551211507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54551211563) 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, 159506296 + ... + 159506637.

Almost surely, 2^54551211543 is an apocalyptic number.

54551211543 is a deficient number, since it is larger than the sum of its proper divisors (28392151297).

54551211543 is a wasteful number, since it uses less digits than its factorization.

54551211543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319012958 (or 319012955 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The spelling of 54551211543 in words is "fifty-four billion, five hundred fifty-one million, two hundred eleven thousand, five hundred forty-three".