54219859 has 2 divisors, whose sum is σ = 54219860. Its totient is φ = 54219858.

The previous prime is 54219853. The next prime is 54219871. The reversal of 54219859 is 95891245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54219859 - 2⁷ = 54219731 is a prime.

It is not a weakly prime, because it can be changed into another prime (54219853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27109929 + 27109930.

It is an arithmetic number, because the mean of its divisors is an integer number (27109930).

Almost surely, 2^54219859 is an apocalyptic number.

54219859 is a deficient number, since it is larger than the sum of its proper divisors (1).

54219859 is an equidigital number, since it uses as much as digits as its factorization.

54219859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 43.

The square root of 54219859 is about 7363.4135426445. The cubic root of 54219859 is about 378.4885925456.

The spelling of 54219859 in words is "fifty-four million, two hundred nineteen thousand, eight hundred fifty-nine".