54216613455 has 32 divisors (see below), whose sum is σ = 90967181760. Its totient is φ = 27535979520.

The previous prime is 54216613447. The next prime is 54216613457. The reversal of 54216613455 is 55431661245.

It is not a de Polignac number, because 54216613455 - 2³ = 54216613447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54216613457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 821916 + ... + 885425.

It is an arithmetic number, because the mean of its divisors is an integer number (2842724430).

Almost surely, 2^54216613455 is an apocalyptic number.

54216613455 is a deficient number, since it is larger than the sum of its proper divisors (36750568305).

54216613455 is a wasteful number, since it uses less digits than its factorization.

54216613455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707451.

The product of its digits is 432000, while the sum is 42.

The spelling of 54216613455 in words is "fifty-four billion, two hundred sixteen million, six hundred thirteen thousand, four hundred fifty-five".