55873273 has 2 divisors, whose sum is σ = 55873274. Its totient is φ = 55873272.

The previous prime is 55873267. The next prime is 55873313. The reversal of 55873273 is 37237855.

It is an a-pointer prime, because the next prime (55873313) can be obtained adding 55873273 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53538489 + 2334784 = 7317^2 + 1528^2 .

It is a cyclic number.

It is not a de Polignac number, because 55873273 - 2⁵ = 55873241 is a prime.

It is not a weakly prime, because it can be changed into another prime (55873973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27936636 + 27936637.

It is an arithmetic number, because the mean of its divisors is an integer number (27936637).

Almost surely, 2^55873273 is an apocalyptic number.

It is an amenable number.

55873273 is a deficient number, since it is larger than the sum of its proper divisors (1).

55873273 is an equidigital number, since it uses as much as digits as its factorization.

55873273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 40.

The square root of 55873273 is about 7474.8426739297. The cubic root of 55873273 is about 382.2974233112.

The spelling of 55873273 in words is "fifty-five million, eight hundred seventy-three thousand, two hundred seventy-three".