55668373 has 2 divisors, whose sum is σ = 55668374. Its totient is φ = 55668372.

The previous prime is 55668311. The next prime is 55668419. The reversal of 55668373 is 37386655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32695524 + 22972849 = 5718^2 + 4793^2 .

It is a cyclic number.

It is not a de Polignac number, because 55668373 - 2²⁵ = 22113941 is a prime.

It is a super-3 number, since 3×55668373³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55668673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27834186 + 27834187.

It is an arithmetic number, because the mean of its divisors is an integer number (27834187).

Almost surely, 2^55668373 is an apocalyptic number.

It is an amenable number.

55668373 is a deficient number, since it is larger than the sum of its proper divisors (1).

55668373 is an equidigital number, since it uses as much as digits as its factorization.

55668373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 43.

The square root of 55668373 is about 7461.1241110171. The cubic root of 55668373 is about 381.8295270164.

The spelling of 55668373 in words is "fifty-five million, six hundred sixty-eight thousand, three hundred seventy-three".