55086293 has 2 divisors, whose sum is σ = 55086294. Its totient is φ = 55086292.

The previous prime is 55086289. The next prime is 55086313. The reversal of 55086293 is 39268055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54272689 + 813604 = 7367^2 + 902^2 .

It is a cyclic number.

It is not a de Polignac number, because 55086293 - 2² = 55086289 is a prime.

It is equal to p_3287099 and since 55086293 and 3287099 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55086593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27543146 + 27543147.

It is an arithmetic number, because the mean of its divisors is an integer number (27543147).

Almost surely, 2^55086293 is an apocalyptic number.

It is an amenable number.

55086293 is a deficient number, since it is larger than the sum of its proper divisors (1).

55086293 is an equidigital number, since it uses as much as digits as its factorization.

55086293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 55086293 is about 7422.0140797495. The cubic root of 55086293 is about 380.4940319538.

The spelling of 55086293 in words is "fifty-five million, eighty-six thousand, two hundred ninety-three".