54569663 has 2 divisors, whose sum is σ = 54569664. Its totient is φ = 54569662.

The previous prime is 54569657. The next prime is 54569681. The reversal of 54569663 is 36696545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54569663 - 2²⁰ = 53521087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54569633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27284831 + 27284832.

It is an arithmetic number, because the mean of its divisors is an integer number (27284832).

Almost surely, 2^54569663 is an apocalyptic number.

54569663 is a deficient number, since it is larger than the sum of its proper divisors (1).

54569663 is an equidigital number, since it uses as much as digits as its factorization.

54569663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 44.

The square root of 54569663 is about 7387.1281970736. The cubic root of 54569663 is about 379.3007987440.

The spelling of 54569663 in words is "fifty-four million, five hundred sixty-nine thousand, six hundred sixty-three".