55530255030 has 32 divisors (see below), whose sum is σ = 141112178784. Its totient is φ = 13937005056.

The previous prime is 55530255007. The next prime is 55530255041. The reversal of 55530255030 is 3055203555.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55530254982 and 55530255000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54440917 + ... + 54441936.

It is an arithmetic number, because the mean of its divisors is an integer number (4409755587).

Almost surely, 2^55530255030 is an apocalyptic number.

55530255030 is an abundant number, since it is smaller than the sum of its proper divisors (85581923754).

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

55530255030 is a wasteful number, since it uses less digits than its factorization.

55530255030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108882880.

The product of its (nonzero) digits is 56250, while the sum is 33.

Adding to 55530255030 its reverse (3055203555), we get a palindrome (58585458585).

The spelling of 55530255030 in words is "fifty-five billion, five hundred thirty million, two hundred fifty-five thousand, thirty".