54487663 has 2 divisors, whose sum is σ = 54487664. Its totient is φ = 54487662.

The previous prime is 54487637. The next prime is 54487679. The reversal of 54487663 is 36678445.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54487663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54487603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27243831 + 27243832.

It is an arithmetic number, because the mean of its divisors is an integer number (27243832).

Almost surely, 2^54487663 is an apocalyptic number.

54487663 is a deficient number, since it is larger than the sum of its proper divisors (1).

54487663 is an equidigital number, since it uses as much as digits as its factorization.

54487663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 43.

The square root of 54487663 is about 7381.5759157513. The cubic root of 54487663 is about 379.1107159777.

The spelling of 54487663 in words is "fifty-four million, four hundred eighty-seven thousand, six hundred sixty-three".