54228913 has 2 divisors, whose sum is σ = 54228914. Its totient is φ = 54228912.

The previous prime is 54228859. The next prime is 54228931. The reversal of 54228913 is 31982245.

Together with next prime (54228931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48902049 + 5326864 = 6993^2 + 2308^2 .

It is a cyclic number.

It is not a de Polignac number, because 54228913 - 2²⁵ = 20674481 is a prime.

It is equal to p_3238981 and since 54228913 and 3238981 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (54228953) 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, 27114456 + 27114457.

It is an arithmetic number, because the mean of its divisors is an integer number (27114457).

Almost surely, 2^54228913 is an apocalyptic number.

It is an amenable number.

54228913 is a deficient number, since it is larger than the sum of its proper divisors (1).

54228913 is an equidigital number, since it uses as much as digits as its factorization.

54228913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 54228913 is about 7364.0283133622. The cubic root of 54228913 is about 378.5096589042.

The spelling of 54228913 in words is "fifty-four million, two hundred twenty-eight thousand, nine hundred thirteen".