55253600 has 36 divisors (see below), whose sum is σ = 134889804. Its totient is φ = 22101120.

The previous prime is 55253599. The next prime is 55253657. The reversal of 55253600 is 635255.

It is a self number, because there is not a number n which added to its sum of digits gives 55253600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33734 + ... + 35333.

It is an arithmetic number, because the mean of its divisors is an integer number (3746939).

Almost surely, 2^55253600 is an apocalyptic number.

55253600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55253600 is an abundant number, since it is smaller than the sum of its proper divisors (79636204).

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

55253600 is a wasteful number, since it uses less digits than its factorization.

55253600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69087 (or 69074 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 55253600 is about 7433.2765319205. The cubic root of 55253600 is about 380.8788522772.

Adding to 55253600 its reverse (635255), we get a palindrome (55888855).

The spelling of 55253600 in words is "fifty-five million, two hundred fifty-three thousand, six hundred".