54927109 has 2 divisors, whose sum is σ = 54927110. Its totient is φ = 54927108.

The previous prime is 54927107. The next prime is 54927113. The reversal of 54927109 is 90172945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38750625 + 16176484 = 6225^2 + 4022^2 .

It is a cyclic number.

It is not a de Polignac number, because 54927109 - 2¹ = 54927107 is a prime.

Together with 54927107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54927107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27463554 + 27463555.

It is an arithmetic number, because the mean of its divisors is an integer number (27463555).

Almost surely, 2^54927109 is an apocalyptic number.

It is an amenable number.

54927109 is a deficient number, since it is larger than the sum of its proper divisors (1).

54927109 is an equidigital number, since it uses as much as digits as its factorization.

54927109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 54927109 is about 7411.2825475757. The cubic root of 54927109 is about 380.1271711941.

The spelling of 54927109 in words is "fifty-four million, nine hundred twenty-seven thousand, one hundred nine".