54400000 has 132 divisors (see below), whose sum is σ = 143920476. Its totient is φ = 20480000.

The previous prime is 54399997. The next prime is 54400039. The reversal of 54400000 is 445.

It can be written as a sum of positive squares in 6 ways, for example, as 38142976 + 16257024 = 6176^2 + 4032^2 .

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3199992 + ... + 3200008.

Almost surely, 2^54400000 is an apocalyptic number.

54400000 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 54400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71960238).

54400000 is an abundant number, since it is smaller than the sum of its proper divisors (89520476).

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

54400000 is an frugal number, since it uses more digits than its factorization.

54400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 54400000 is about 7375.6355658343. The cubic root of 54400000 is about 378.9072948744.

Adding to 54400000 its reverse (445), we get a palindrome (54400445).

The spelling of 54400000 in words is "fifty-four million, four hundred thousand".