55693273 has 2 divisors, whose sum is σ = 55693274. Its totient is φ = 55693272.

The previous prime is 55693271. The next prime is 55693303. The reversal of 55693273 is 37239655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45657049 + 10036224 = 6757^2 + 3168^2 .

It is a cyclic number.

It is not a de Polignac number, because 55693273 - 2¹ = 55693271 is a prime.

Together with 55693271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55693271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27846636 + 27846637.

It is an arithmetic number, because the mean of its divisors is an integer number (27846637).

Almost surely, 2^55693273 is an apocalyptic number.

It is an amenable number.

55693273 is a deficient number, since it is larger than the sum of its proper divisors (1).

55693273 is an equidigital number, since it uses as much as digits as its factorization.

55693273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 40.

The square root of 55693273 is about 7462.7925738292. The cubic root of 55693273 is about 381.8864482538.

The spelling of 55693273 in words is "fifty-five million, six hundred ninety-three thousand, two hundred seventy-three".