54186745 has 4 divisors (see below), whose sum is σ = 65024100. Its totient is φ = 43349392.

The previous prime is 54186739. The next prime is 54186763. The reversal of 54186745 is 54768145.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7551504 + 46635241 = 2748^2 + 6829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54186745 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 54186698 and 54186707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5418670 + ... + 5418679.

It is an arithmetic number, because the mean of its divisors is an integer number (16256025).

Almost surely, 2^54186745 is an apocalyptic number.

It is an amenable number.

54186745 is a deficient number, since it is larger than the sum of its proper divisors (10837355).

54186745 is a wasteful number, since it uses less digits than its factorization.

54186745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837354.

The product of its digits is 134400, while the sum is 40.

The square root of 54186745 is about 7361.1646497005. The cubic root of 54186745 is about 378.4115246972.

The spelling of 54186745 in words is "fifty-four million, one hundred eighty-six thousand, seven hundred forty-five".