54311280 has 80 divisors (see below), whose sum is σ = 175703040. Its totient is φ = 13851904.

The previous prime is 54311269. The next prime is 54311281. The reversal of 54311280 is 8211345.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 54311280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54311281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601 + ... + 10439.

It is an arithmetic number, because the mean of its divisors is an integer number (2196288).

Almost surely, 2^54311280 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 54311280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87851520).

54311280 is an abundant number, since it is smaller than the sum of its proper divisors (121391760).

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

54311280 is a wasteful number, since it uses less digits than its factorization.

54311280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9878 (or 9872 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 54311280 is about 7369.6187146962. The cubic root of 54311280 is about 378.7011983871.

The spelling of 54311280 in words is "fifty-four million, three hundred eleven thousand, two hundred eighty".