54177727617 has 12 divisors (see below), whose sum is σ = 84276465364. Its totient is φ = 33340140000.

The previous prime is 54177727613. The next prime is 54177727619. The reversal of 54177727617 is 71672777145.

54177727617 is a `hidden beast` number, since 5 + 4 + 17 + 7 + 7 + 2 + 7 + 617 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4107399921 + 50070327696 = 64089^2 + 223764^2 .

It is not a de Polignac number, because 54177727617 - 2² = 54177727613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54177727613) 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, 231528634 + ... + 231528867.

Almost surely, 2^54177727617 is an apocalyptic number.

It is an amenable number.

54177727617 is a deficient number, since it is larger than the sum of its proper divisors (30098737747).

54177727617 is a wasteful number, since it uses less digits than its factorization.

54177727617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463057520 (or 463057517 counting only the distinct ones).

The product of its digits is 4033680, while the sum is 54.

The spelling of 54177727617 in words is "fifty-four billion, one hundred seventy-seven million, seven hundred twenty-seven thousand, six hundred seventeen".