54143620 has 24 divisors (see below), whose sum is σ = 114471000. Its totient is φ = 21510912.

The previous prime is 54143603. The next prime is 54143627. The reversal of 54143620 is 2634145.

It can be written as a sum of positive squares in 4 ways, for example, as 473344 + 53670276 = 688^2 + 7326^2 .

It is not an unprimeable number, because it can be changed into a prime (54143627) 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 7 ways as a sum of consecutive naturals, for example, 6105 + ... + 12064.

It is an arithmetic number, because the mean of its divisors is an integer number (4769625).

Almost surely, 2^54143620 is an apocalyptic number.

It is an amenable number.

54143620 is an abundant number, since it is smaller than the sum of its proper divisors (60327380).

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

54143620 is a wasteful number, since it uses less digits than its factorization.

54143620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18327 (or 18325 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 54143620 is about 7358.2348426780. The cubic root of 54143620 is about 378.3111106683.

Adding to 54143620 its reverse (2634145), we get a palindrome (56777765).

The spelling of 54143620 in words is "fifty-four million, one hundred forty-three thousand, six hundred twenty".