54663187 has 2 divisors, whose sum is σ = 54663188. Its totient is φ = 54663186.

The previous prime is 54663179. The next prime is 54663239. The reversal of 54663187 is 78136645.

It is a happy number.

54663187 is nontrivially palindromic in base 8.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54663187 - 2³ = 54663179 is a prime.

It is not a weakly prime, because it can be changed into another prime (54663107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27331593 + 27331594.

It is an arithmetic number, because the mean of its divisors is an integer number (27331594).

Almost surely, 2^54663187 is an apocalyptic number.

54663187 is a deficient number, since it is larger than the sum of its proper divisors (1).

54663187 is an equidigital number, since it uses as much as digits as its factorization.

54663187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 54663187 is about 7393.4556872954. The cubic root of 54663187 is about 379.5173627939.

It can be divided in two parts, 54663 and 187, that multiplied together give a triangular number (10221981 = T₄₅₂₁).

The spelling of 54663187 in words is "fifty-four million, six hundred sixty-three thousand, one hundred eighty-seven".