54666851 has 2 divisors, whose sum is σ = 54666852. Its totient is φ = 54666850.

The previous prime is 54666847. The next prime is 54666869. The reversal of 54666851 is 15866645.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54666851 - 2² = 54666847 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54666799 and 54666808.

It is not a weakly prime, because it can be changed into another prime (54666811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27333425 + 27333426.

It is an arithmetic number, because the mean of its divisors is an integer number (27333426).

Almost surely, 2^54666851 is an apocalyptic number.

54666851 is a deficient number, since it is larger than the sum of its proper divisors (1).

54666851 is an equidigital number, since it uses as much as digits as its factorization.

54666851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 41.

The square root of 54666851 is about 7393.7034698451. The cubic root of 54666851 is about 379.5258421175.

The spelling of 54666851 in words is "fifty-four million, six hundred sixty-six thousand, eight hundred fifty-one".