55116293 has 2 divisors, whose sum is σ = 55116294. Its totient is φ = 55116292.

The previous prime is 55116287. The next prime is 55116301. The reversal of 55116293 is 39261155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34304449 + 20811844 = 5857^2 + 4562^2 .

It is a cyclic number.

It is not a de Polignac number, because 55116293 - 2²² = 50921989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55116203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27558146 + 27558147.

It is an arithmetic number, because the mean of its divisors is an integer number (27558147).

Almost surely, 2^55116293 is an apocalyptic number.

It is an amenable number.

55116293 is a deficient number, since it is larger than the sum of its proper divisors (1).

55116293 is an equidigital number, since it uses as much as digits as its factorization.

55116293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 32.

The square root of 55116293 is about 7424.0348194227. The cubic root of 55116293 is about 380.5630917797.

The spelling of 55116293 in words is "fifty-five million, one hundred sixteen thousand, two hundred ninety-three".