54412109 has 2 divisors, whose sum is σ = 54412110. Its totient is φ = 54412108.

The previous prime is 54412103. The next prime is 54412139. The reversal of 54412109 is 90121445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37478884 + 16933225 = 6122^2 + 4115^2 .

It is a cyclic number.

It is not a de Polignac number, because 54412109 - 2¹⁶ = 54346573 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 (54412103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27206054 + 27206055.

It is an arithmetic number, because the mean of its divisors is an integer number (27206055).

Almost surely, 2^54412109 is an apocalyptic number.

It is an amenable number.

54412109 is a deficient number, since it is larger than the sum of its proper divisors (1).

54412109 is an equidigital number, since it uses as much as digits as its factorization.

54412109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 54412109 is about 7376.4563985697. The cubic root of 54412109 is about 378.9354066884.

The spelling of 54412109 in words is "fifty-four million, four hundred twelve thousand, one hundred nine".