54257663 has 4 divisors (see below), whose sum is σ = 54272568. Its totient is φ = 54242760.

The previous prime is 54257653. The next prime is 54257683. The reversal of 54257663 is 36675245.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 54257663 - 2¹⁴ = 54241279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54257603) 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, 2033 + ... + 10613.

It is an arithmetic number, because the mean of its divisors is an integer number (13568142).

Almost surely, 2^54257663 is an apocalyptic number.

54257663 is a deficient number, since it is larger than the sum of its proper divisors (14905).

54257663 is an equidigital number, since it uses as much as digits as its factorization.

54257663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14904.

The product of its digits is 151200, while the sum is 38.

The square root of 54257663 is about 7365.9801112954. The cubic root of 54257663 is about 378.5765373126.

The spelling of 54257663 in words is "fifty-four million, two hundred fifty-seven thousand, six hundred sixty-three".