54259187 has 2 divisors, whose sum is σ = 54259188. Its totient is φ = 54259186.

The previous prime is 54259171. The next prime is 54259199. The reversal of 54259187 is 78195245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54259187 - 2⁴ = 54259171 is a prime.

It is not a weakly prime, because it can be changed into another prime (54259147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27129593 + 27129594.

It is an arithmetic number, because the mean of its divisors is an integer number (27129594).

Almost surely, 2^54259187 is an apocalyptic number.

54259187 is a deficient number, since it is larger than the sum of its proper divisors (1).

54259187 is an equidigital number, since it uses as much as digits as its factorization.

54259187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 41.

The square root of 54259187 is about 7366.0835591242. The cubic root of 54259187 is about 378.5800817904.

The spelling of 54259187 in words is "fifty-four million, two hundred fifty-nine thousand, one hundred eighty-seven".