55525200 has 60 divisors (see below), whose sum is σ = 177869568. Its totient is φ = 14806400.

The previous prime is 55525181. The next prime is 55525207. The reversal of 55525200 is 252555.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55525207) 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, 21936 + ... + 24335.

Almost surely, 2^55525200 is an apocalyptic number.

55525200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55525200 is an abundant number, since it is smaller than the sum of its proper divisors (122344368).

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

55525200 is a wasteful number, since it uses less digits than its factorization.

55525200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46292 (or 46281 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 55525200 is about 7451.5233341915. The cubic root of 55525200 is about 381.5019046493.

Adding to 55525200 its reverse (252555), we get a palindrome (55777755).

The spelling of 55525200 in words is "fifty-five million, five hundred twenty-five thousand, two hundred".