54243663 has 4 divisors (see below), whose sum is σ = 72324888. Its totient is φ = 36162440.

The previous prime is 54243649. The next prime is 54243667. The reversal of 54243663 is 36634245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54243663 - 2⁹ = 54243151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54243667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9040608 + ... + 9040613.

It is an arithmetic number, because the mean of its divisors is an integer number (18081222).

Almost surely, 2^54243663 is an apocalyptic number.

54243663 is a deficient number, since it is larger than the sum of its proper divisors (18081225).

54243663 is a wasteful number, since it uses less digits than its factorization.

54243663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18081224.

The product of its digits is 51840, while the sum is 33.

The square root of 54243663 is about 7365.0297351742. The cubic root of 54243663 is about 378.5439733874.

The spelling of 54243663 in words is "fifty-four million, two hundred forty-three thousand, six hundred sixty-three".