55531300110 has 128 divisors (see below), whose sum is σ = 158190326784. Its totient is φ = 12298383360.

The previous prime is 55531300079. The next prime is 55531300117. The reversal of 55531300110 is 1100313555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55531300117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 349407 + ... + 482853.

It is an arithmetic number, because the mean of its divisors is an integer number (1235861928).

Almost surely, 2^55531300110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55531300110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79095163392).

55531300110 is an abundant number, since it is smaller than the sum of its proper divisors (102659026674).

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

55531300110 is a wasteful number, since it uses less digits than its factorization.

55531300110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133578.

The product of its (nonzero) digits is 1125, while the sum is 24.

Adding to 55531300110 its reverse (1100313555), we get a palindrome (56631613665).

The spelling of 55531300110 in words is "fifty-five billion, five hundred thirty-one million, three hundred thousand, one hundred ten".