54115447 has 2 divisors, whose sum is σ = 54115448. Its totient is φ = 54115446.

The previous prime is 54115441. The next prime is 54115469. The reversal of 54115447 is 74451145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54115447 - 2⁷ = 54115319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54115441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27057723 + 27057724.

It is an arithmetic number, because the mean of its divisors is an integer number (27057724).

Almost surely, 2^54115447 is an apocalyptic number.

54115447 is a deficient number, since it is larger than the sum of its proper divisors (1).

54115447 is an equidigital number, since it uses as much as digits as its factorization.

54115447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 31.

The square root of 54115447 is about 7356.3202078213. The cubic root of 54115447 is about 378.2454826955.

The spelling of 54115447 in words is "fifty-four million, one hundred fifteen thousand, four hundred forty-seven".