54521200 has 30 divisors (see below), whose sum is σ = 130988144. Its totient is φ = 21808320.

The previous prime is 54521197. The next prime is 54521209. The reversal of 54521200 is 212545.

It is a super-2 number, since 2×54521200² = 5945122498880000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54521209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67752 + ... + 68551.

Almost surely, 2^54521200 is an apocalyptic number.

54521200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54521200 is an abundant number, since it is smaller than the sum of its proper divisors (76466944).

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

54521200 is a wasteful number, since it uses less digits than its factorization.

54521200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136321 (or 136310 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 54521200 is about 7383.8472356895. The cubic root of 54521200 is about 379.1884805440.

Adding to 54521200 its reverse (212545), we get a palindrome (54733745).

The spelling of 54521200 in words is "fifty-four million, five hundred twenty-one thousand, two hundred".