55155243102 has 32 divisors (see below), whose sum is σ = 113308377504. Its totient is φ = 17885577600.

The previous prime is 55155243097. The next prime is 55155243119. The reversal of 55155243102 is 20134255155.

55155243102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2024652 + ... + 2051712.

It is an arithmetic number, because the mean of its divisors is an integer number (3540886797).

Almost surely, 2^55155243102 is an apocalyptic number.

55155243102 is an abundant number, since it is smaller than the sum of its proper divisors (58153134402).

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

55155243102 is a wasteful number, since it uses less digits than its factorization.

55155243102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36284.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 55155243102 its reverse (20134255155), we get a palindrome (75289498257).

The spelling of 55155243102 in words is "fifty-five billion, one hundred fifty-five million, two hundred forty-three thousand, one hundred two".