55053600 has 288 divisors, whose sum is σ = 213736320. Its totient is φ = 12042240.

The previous prime is 55053589. The next prime is 55053601. The reversal of 55053600 is 635055.

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

It is not an unprimeable number, because it can be changed into a prime (55053601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 487144 + ... + 487256.

It is an arithmetic number, because the mean of its divisors is an integer number (742140).

Almost surely, 2^55053600 is an apocalyptic number.

55053600 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 55053600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106868160).

55053600 is an abundant number, since it is smaller than the sum of its proper divisors (158682720).

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

55053600 is a wasteful number, since it uses less digits than its factorization.

55053600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 55053600 is about 7419.8113183557. The cubic root of 55053600 is about 380.4187443011.

Adding to 55053600 its reverse (635055), we get a palindrome (55688655).

The spelling of 55053600 in words is "fifty-five million, fifty-three thousand, six hundred".