54405504 has 96 divisors (see below), whose sum is σ = 158722200. Its totient is φ = 17885184.

The previous prime is 54405499. The next prime is 54405517. The reversal of 54405504 is 40550445.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95332 + ... + 95900.

Almost surely, 2^54405504 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 54405504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79361100).

54405504 is an abundant number, since it is smaller than the sum of its proper divisors (104316696).

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

54405504 is a wasteful number, since it uses less digits than its factorization.

54405504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 54405504 is about 7376.0086767845. The cubic root of 54405504 is about 378.9200732777.

Adding to 54405504 its reverse (40550445), we get a palindrome (94955949).

The spelling of 54405504 in words is "fifty-four million, four hundred five thousand, five hundred four".