54786673 has 4 divisors (see below), whose sum is σ = 54859428. Its totient is φ = 54713920.

The previous prime is 54786661. The next prime is 54786679. The reversal of 54786673 is 37668745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37668745 = 5 ⋅7533749.

It can be written as a sum of positive squares in 2 ways, for example, as 26142769 + 28643904 = 5113^2 + 5352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54786673 is a prime.

It is a super-3 number, since 3×54786673³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54786679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35236 + ... + 36757.

It is an arithmetic number, because the mean of its divisors is an integer number (13714857).

Almost surely, 2^54786673 is an apocalyptic number.

It is an amenable number.

54786673 is a deficient number, since it is larger than the sum of its proper divisors (72755).

54786673 is an equidigital number, since it uses as much as digits as its factorization.

54786673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72754.

The product of its digits is 846720, while the sum is 46.

The square root of 54786673 is about 7401.8020103215. The cubic root of 54786673 is about 379.8029287474.

The spelling of 54786673 in words is "fifty-four million, seven hundred eighty-six thousand, six hundred seventy-three".