55530360 has 192 divisors, whose sum is σ = 194594400. Its totient is φ = 14224896.

The previous prime is 55530341. The next prime is 55530367. The reversal of 55530360 is 6303555.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55530367) 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, 281782 + ... + 281978.

Almost surely, 2^55530360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55530360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97297200).

55530360 is an abundant number, since it is smaller than the sum of its proper divisors (139064040).

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

55530360 is a wasteful number, since it uses less digits than its factorization.

55530360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 55530360 is about 7451.8695640759. The cubic root of 55530360 is about 381.5137220395.

The spelling of 55530360 in words is "fifty-five million, five hundred thirty thousand, three hundred sixty".