54519165 has 12 divisors (see below), whose sum is σ = 94499964. Its totient is φ = 29076864.

The previous prime is 54519161. The next prime is 54519193. The reversal of 54519165 is 56191545.

It can be written as a sum of positive squares in 2 ways, for example, as 35176761 + 19342404 = 5931^2 + 4398^2 .

It is not a de Polignac number, because 54519165 - 2² = 54519161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54519161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 605724 + ... + 605813.

It is an arithmetic number, because the mean of its divisors is an integer number (7874997).

Almost surely, 2^54519165 is an apocalyptic number.

It is an amenable number.

54519165 is a deficient number, since it is larger than the sum of its proper divisors (39980799).

54519165 is a wasteful number, since it uses less digits than its factorization.

54519165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211548 (or 1211545 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 54519165 is about 7383.7094336113. The cubic root of 54519165 is about 379.1837627574.

The spelling of 54519165 in words is "fifty-four million, five hundred nineteen thousand, one hundred sixty-five".