54280400 has 30 divisors (see below), whose sum is σ = 130409622. Its totient is φ = 21712000.

The previous prime is 54280399. The next prime is 54280403. The reversal of 54280400 is 408245.

It can be written as a sum of positive squares in 3 ways, for example, as 287296 + 53993104 = 536^2 + 7348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54280403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67451 + ... + 68250.

Almost surely, 2^54280400 is an apocalyptic number.

54280400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54280400 is an abundant number, since it is smaller than the sum of its proper divisors (76129222).

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

54280400 is a wasteful number, since it uses less digits than its factorization.

54280400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135719 (or 135708 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 54280400 is about 7367.5233287720. The cubic root of 54280400 is about 378.6294115191.

Adding to 54280400 its reverse (408245), we get a palindrome (54688645).

The spelling of 54280400 in words is "fifty-four million, two hundred eighty thousand, four hundred".