54008693 has 4 divisors (see below), whose sum is σ = 54026988. Its totient is φ = 53990400.

The previous prime is 54008683. The next prime is 54008699. The reversal of 54008693 is 39680045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39680045 = 5 ⋅7936009.

It can be written as a sum of positive squares in 2 ways, for example, as 11992369 + 42016324 = 3463^2 + 6482^2 .

It is a cyclic number.

It is not a de Polignac number, because 54008693 - 2¹⁶ = 53943157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54008699) 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, 3596 + ... + 10997.

It is an arithmetic number, because the mean of its divisors is an integer number (13506747).

Almost surely, 2^54008693 is an apocalyptic number.

It is an amenable number.

54008693 is a deficient number, since it is larger than the sum of its proper divisors (18295).

54008693 is a wasteful number, since it uses less digits than its factorization.

54008693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18294.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 54008693 is about 7349.0606882785. The cubic root of 54008693 is about 377.9965962759.

The spelling of 54008693 in words is "fifty-four million, eight thousand, six hundred ninety-three".