54143568 has 30 divisors (see below), whose sum is σ = 151527194. Its totient is φ = 18047808.

The previous prime is 54143567. The next prime is 54143569. The reversal of 54143568 is 86534145.

It is a happy number.

54143568 is a `hidden beast` number, since 54 + 1 + 43 + 568 = 666.

It is an interprime number because it is at equal distance from previous prime (54143567) and next prime (54143569).

It can be written as a sum of positive squares in only one way, i.e., 32353344 + 21790224 = 5688^2 + 4668^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54143567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187855 + ... + 188142.

Almost surely, 2^54143568 is an apocalyptic number.

It is an amenable number.

54143568 is an abundant number, since it is smaller than the sum of its proper divisors (97383626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54143568 is a wasteful number, since it uses less digits than its factorization.

54143568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376011 (or 376002 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 54143568 is about 7358.2313092210. The cubic root of 54143568 is about 378.3109895572.

The spelling of 54143568 in words is "fifty-four million, one hundred forty-three thousand, five hundred sixty-eight".