54809273 has 2 divisors, whose sum is σ = 54809274. Its totient is φ = 54809272.

The previous prime is 54809269. The next prime is 54809303. The reversal of 54809273 is 37290845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44129449 + 10679824 = 6643^2 + 3268^2 .

It is a cyclic number.

It is not a de Polignac number, because 54809273 - 2² = 54809269 is a prime.

It is not a weakly prime, because it can be changed into another prime (54809213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27404636 + 27404637.

It is an arithmetic number, because the mean of its divisors is an integer number (27404637).

Almost surely, 2^54809273 is an apocalyptic number.

It is an amenable number.

54809273 is a deficient number, since it is larger than the sum of its proper divisors (1).

54809273 is an equidigital number, since it uses as much as digits as its factorization.

54809273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 54809273 is about 7403.3285081779. The cubic root of 54809273 is about 379.8551456202.

The spelling of 54809273 in words is "fifty-four million, eight hundred nine thousand, two hundred seventy-three".