54431163 has 32 divisors (see below), whose sum is σ = 83297280. Its totient is φ = 35108640.

The previous prime is 54431141. The next prime is 54431183. The reversal of 54431163 is 36113445.

54431163 is a `hidden beast` number, since 544 + 3 + 116 + 3 = 666.

It is not a de Polignac number, because 54431163 - 2⁸ = 54430907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (54431183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200718 + ... + 200988.

It is an arithmetic number, because the mean of its divisors is an integer number (2603040).

Almost surely, 2^54431163 is an apocalyptic number.

54431163 is a deficient number, since it is larger than the sum of its proper divisors (28866117).

54431163 is a wasteful number, since it uses less digits than its factorization.

54431163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 490 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 54431163 is about 7377.7478270811. The cubic root of 54431163 is about 378.9796333182.

The spelling of 54431163 in words is "fifty-four million, four hundred thirty-one thousand, one hundred sixty-three".