54002320 has 20 divisors (see below), whose sum is σ = 125555580. Its totient is φ = 21600896.

The previous prime is 54002317. The next prime is 54002323. The reversal of 54002320 is 2320045.

It is an interprime number because it is at equal distance from previous prime (54002317) and next prime (54002323).

It can be written as a sum of positive squares in 2 ways, for example, as 18766224 + 35236096 = 4332^2 + 5936^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 54002294 and 54002303.

It is not an unprimeable number, because it can be changed into a prime (54002323) 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, 337435 + ... + 337594.

It is an arithmetic number, because the mean of its divisors is an integer number (6277779).

Almost surely, 2^54002320 is an apocalyptic number.

It is an amenable number.

54002320 is an abundant number, since it is smaller than the sum of its proper divisors (71553260).

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

54002320 is a wasteful number, since it uses less digits than its factorization.

54002320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675042 (or 675036 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 54002320 is about 7348.6270826597. The cubic root of 54002320 is about 377.9817278851.

Adding to 54002320 its reverse (2320045), we get a palindrome (56322365).

The spelling of 54002320 in words is "fifty-four million, two thousand, three hundred twenty".