54171563 has 2 divisors, whose sum is σ = 54171564. Its totient is φ = 54171562.

The previous prime is 54171521. The next prime is 54171613. The reversal of 54171563 is 36517145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54171563 - 2¹⁸ = 53909419 is a prime.

It is not a weakly prime, because it can be changed into another prime (54171863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27085781 + 27085782.

It is an arithmetic number, because the mean of its divisors is an integer number (27085782).

Almost surely, 2^54171563 is an apocalyptic number.

54171563 is a deficient number, since it is larger than the sum of its proper divisors (1).

54171563 is an equidigital number, since it uses as much as digits as its factorization.

54171563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 32.

The square root of 54171563 is about 7360.1333547701. The cubic root of 54171563 is about 378.3761803806.

The spelling of 54171563 in words is "fifty-four million, one hundred seventy-one thousand, five hundred sixty-three".