54273661 has 8 divisors (see below), whose sum is σ = 58564184. Its totient is φ = 49999680.

The previous prime is 54273649. The next prime is 54273683. The reversal of 54273661 is 16637245.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1071225 + 53202436 = 1035^2 + 7294^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54273661 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 (54273601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3175 + ... + 10891.

It is an arithmetic number, because the mean of its divisors is an integer number (7320523).

Almost surely, 2^54273661 is an apocalyptic number.

It is an amenable number.

54273661 is a deficient number, since it is larger than the sum of its proper divisors (4290523).

54273661 is a wasteful number, since it uses less digits than its factorization.

54273661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8271.

The product of its digits is 30240, while the sum is 34.

The square root of 54273661 is about 7367.0659695702. The cubic root of 54273661 is about 378.6137417181.

The spelling of 54273661 in words is "fifty-four million, two hundred seventy-three thousand, six hundred sixty-one".