54408780 has 96 divisors (see below), whose sum is σ = 178214400. Its totient is φ = 13742784.

The previous prime is 54408737. The next prime is 54408811. The reversal of 54408780 is 8780445.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7609 + ... + 12911.

It is an arithmetic number, because the mean of its divisors is an integer number (1856400).

Almost surely, 2^54408780 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 54408780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89107200).

54408780 is an abundant number, since it is smaller than the sum of its proper divisors (123805620).

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

54408780 is a wasteful number, since it uses less digits than its factorization.

54408780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340 (or 5332 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 54408780 is about 7376.2307447639. The cubic root of 54408780 is about 378.9276786188.

The spelling of 54408780 in words is "fifty-four million, four hundred eight thousand, seven hundred eighty".