54450400 has 72 divisors (see below), whose sum is σ = 137569320. Its totient is φ = 21020160.

The previous prime is 54450391. The next prime is 54450401. The reversal of 54450400 is 405445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54450401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22027 + ... + 24373.

It is an arithmetic number, because the mean of its divisors is an integer number (1910685).

Almost surely, 2^54450400 is an apocalyptic number.

54450400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54450400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68784660).

54450400 is an abundant number, since it is smaller than the sum of its proper divisors (83118920).

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

54450400 is a wasteful number, since it uses less digits than its factorization.

54450400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396 (or 2383 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 54450400 is about 7379.0514295538. The cubic root of 54450400 is about 379.0242742439.

Adding to 54450400 its reverse (405445), we get a palindrome (54855845).

The spelling of 54450400 in words is "fifty-four million, four hundred fifty thousand, four hundred".