54690173 has 4 divisors (see below), whose sum is σ = 57907260. Its totient is φ = 51473088.

The previous prime is 54690089. The next prime is 54690179. The reversal of 54690173 is 37109645.

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 45185284 + 9504889 = 6722^2 + 3083^2 .

It is a cyclic number.

It is not a de Polignac number, because 54690173 - 2¹⁴ = 54673789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54690179) 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, 1608518 + ... + 1608551.

It is an arithmetic number, because the mean of its divisors is an integer number (14476815).

Almost surely, 2^54690173 is an apocalyptic number.

It is an amenable number.

54690173 is a deficient number, since it is larger than the sum of its proper divisors (3217087).

54690173 is a wasteful number, since it uses less digits than its factorization.

54690173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217086.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 54690173 is about 7395.2804544520. The cubic root of 54690173 is about 379.5798056140.

The spelling of 54690173 in words is "fifty-four million, six hundred ninety thousand, one hundred seventy-three".