55379273 has 2 divisors, whose sum is σ = 55379274. Its totient is φ = 55379272.

The previous prime is 55379267. The next prime is 55379293. The reversal of 55379273 is 37297355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47997184 + 7382089 = 6928^2 + 2717^2 .

It is a cyclic number.

It is not a de Polignac number, because 55379273 - 2⁴ = 55379257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55379273.

It is not a weakly prime, because it can be changed into another prime (55379213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27689636 + 27689637.

It is an arithmetic number, because the mean of its divisors is an integer number (27689637).

Almost surely, 2^55379273 is an apocalyptic number.

It is an amenable number.

55379273 is a deficient number, since it is larger than the sum of its proper divisors (1).

55379273 is an equidigital number, since it uses as much as digits as its factorization.

55379273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 198450, while the sum is 41.

The square root of 55379273 is about 7441.7251360152. The cubic root of 55379273 is about 381.1674002549.

The spelling of 55379273 in words is "fifty-five million, three hundred seventy-nine thousand, two hundred seventy-three".