55268293 has 2 divisors, whose sum is σ = 55268294. Its totient is φ = 55268292.

The previous prime is 55268281. The next prime is 55268303. The reversal of 55268293 is 39286255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53246209 + 2022084 = 7297^2 + 1422^2 .

It is a cyclic number.

It is not a de Polignac number, because 55268293 - 2⁵ = 55268261 is a prime.

It is a super-2 number, since 2×55268293² = 6109168422267698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55268203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27634146 + 27634147.

It is an arithmetic number, because the mean of its divisors is an integer number (27634147).

Almost surely, 2^55268293 is an apocalyptic number.

It is an amenable number.

55268293 is a deficient number, since it is larger than the sum of its proper divisors (1).

55268293 is an equidigital number, since it uses as much as digits as its factorization.

55268293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 40.

The square root of 55268293 is about 7434.2647921634. The cubic root of 55268293 is about 380.9126103008.

The spelling of 55268293 in words is "fifty-five million, two hundred sixty-eight thousand, two hundred ninety-three".