54401320 has 64 divisors (see below), whose sum is σ = 126904320. Its totient is φ = 20976384.

The previous prime is 54401317. The next prime is 54401357. The reversal of 54401320 is 2310445.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141849 + ... + 142231.

It is an arithmetic number, because the mean of its divisors is an integer number (1982880).

Almost surely, 2^54401320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54401320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63452160).

54401320 is an abundant number, since it is smaller than the sum of its proper divisors (72503000).

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

54401320 is a wasteful number, since it uses less digits than its factorization.

54401320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 54401320 is about 7375.7250491053. The cubic root of 54401320 is about 378.9103595409.

Adding to 54401320 its reverse (2310445), we get a palindrome (56711765).

The spelling of 54401320 in words is "fifty-four million, four hundred one thousand, three hundred twenty".