54481320 has 48 divisors (see below), whose sum is σ = 177065460. Its totient is φ = 14528256.

The previous prime is 54481241. The next prime is 54481321. The reversal of 54481320 is 2318445.

It can be written as a sum of positive squares in 2 ways, for example, as 49364676 + 5116644 = 7026^2 + 2262^2 .

It is not an unprimeable number, because it can be changed into a prime (54481321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75309 + ... + 76028.

Almost surely, 2^54481320 is an apocalyptic number.

It is an amenable number.

54481320 is an abundant number, since it is smaller than the sum of its proper divisors (122584140).

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

54481320 is a wasteful number, since it uses less digits than its factorization.

54481320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151354 (or 151347 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 54481320 is about 7381.1462524462. The cubic root of 54481320 is about 379.0960044360.

Adding to 54481320 its reverse (2318445), we get a palindrome (56799765).

The spelling of 54481320 in words is "fifty-four million, four hundred eighty-one thousand, three hundred twenty".