54099959 has 2 divisors, whose sum is σ = 54099960. Its totient is φ = 54099958.

The previous prime is 54099953. The next prime is 54099989. The reversal of 54099959 is 95999045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54099959 - 2¹² = 54095863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54099953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27049979 + 27049980.

It is an arithmetic number, because the mean of its divisors is an integer number (27049980).

Almost surely, 2^54099959 is an apocalyptic number.

54099959 is a deficient number, since it is larger than the sum of its proper divisors (1).

54099959 is an equidigital number, since it uses as much as digits as its factorization.

54099959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 656100, while the sum is 50.

The square root of 54099959 is about 7355.2674322556. The cubic root of 54099959 is about 378.2093942627.

The spelling of 54099959 in words is "fifty-four million, ninety-nine thousand, nine hundred fifty-nine".