54417167649 has 24 divisors (see below), whose sum is σ = 84687581160. Its totient is φ = 33472196352.

The previous prime is 54417167641. The next prime is 54417167659. The reversal of 54417167649 is 94676171445.

It is a happy number.

54417167649 is a `hidden beast` number, since 5 + 4 + 417 + 167 + 64 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4250127249 + 50167040400 = 65193^2 + 223980^2 .

It is not a de Polignac number, because 54417167649 - 2³ = 54417167641 is a prime.

It is a super-2 number, since 2×54417167649² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54417167595 and 54417167604.

It is not an unprimeable number, because it can be changed into a prime (54417167641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153837 + ... + 364005.

It is an arithmetic number, because the mean of its divisors is an integer number (3528649215).

Almost surely, 2^54417167649 is an apocalyptic number.

It is an amenable number.

54417167649 is a deficient number, since it is larger than the sum of its proper divisors (30270413511).

54417167649 is a wasteful number, since it uses less digits than its factorization.

54417167649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212401 (or 212398 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 54417167649 in words is "fifty-four billion, four hundred seventeen million, one hundred sixty-seven thousand, six hundred forty-nine".