54644480 has 72 divisors (see below), whose sum is σ = 142826544. Its totient is φ = 19865600.

The previous prime is 54644441. The next prime is 54644489. The reversal of 54644480 is 8444645.

It is a self number, because there is not a number n which added to its sum of digits gives 54644480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54644489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12140 + ... + 16020.

It is an arithmetic number, because the mean of its divisors is an integer number (1983702).

Almost surely, 2^54644480 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 54644480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71413272).

54644480 is an abundant number, since it is smaller than the sum of its proper divisors (88182064).

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

54644480 is a wasteful number, since it uses less digits than its factorization.

54644480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 54644480 is about 7392.1904737365. The cubic root of 54644480 is about 379.4740646639.

The spelling of 54644480 in words is "fifty-four million, six hundred forty-four thousand, four hundred eighty".