55202106500 has 24 divisors (see below), whose sum is σ = 120561401688. Its totient is φ = 22080842400.

The previous prime is 55202106497. The next prime is 55202106511. The reversal of 55202106500 is 560120255.

It can be written as a sum of positive squares in 4 ways, for example, as 1250895424 + 53951211076 = 35368^2 + 232274^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55202106500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55201607 + ... + 55202606.

It is an arithmetic number, because the mean of its divisors is an integer number (5023391737).

Almost surely, 2^55202106500 is an apocalyptic number.

55202106500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55202106500 is an abundant number, since it is smaller than the sum of its proper divisors (65359295188).

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

55202106500 is a wasteful number, since it uses less digits than its factorization.

55202106500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110404232 (or 110404220 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 55202106500 its reverse (560120255), we get a palindrome (55762226755).

The spelling of 55202106500 in words is "fifty-five billion, two hundred two million, one hundred six thousand, five hundred".