54409079 has 2 divisors, whose sum is σ = 54409080. Its totient is φ = 54409078.

The previous prime is 54409051. The next prime is 54409081. The reversal of 54409079 is 97090445.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54409079 is a prime.

Together with 54409081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54409279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27204539 + 27204540.

It is an arithmetic number, because the mean of its divisors is an integer number (27204540).

Almost surely, 2^54409079 is an apocalyptic number.

54409079 is a deficient number, since it is larger than the sum of its proper divisors (1).

54409079 is an equidigital number, since it uses as much as digits as its factorization.

54409079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 54409079 is about 7376.2510125402. The cubic root of 54409079 is about 378.9283727418.

The spelling of 54409079 in words is "fifty-four million, four hundred nine thousand, seventy-nine".