55500500505050 has 48 divisors (see below), whose sum is σ = 113388665607360. Its totient is φ = 20117343882240.

The previous prime is 55500500505013. The next prime is 55500500505103. The reversal of 55500500505050 is 5050500500555.

It is a super-2 number, since 2×55500500505050² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55500500505050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1270012487 + ... + 1270056186.

It is an arithmetic number, because the mean of its divisors is an integer number (2362263866820).

Almost surely, 2^{55500500505050} is an apocalyptic number.

55500500505050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55500500505050 is an abundant number, since it is smaller than the sum of its proper divisors (57888165102310).

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

55500500505050 is a wasteful number, since it uses less digits than its factorization.

55500500505050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540068727 (or 2540068722 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55500500505050 in words is "fifty-five trillion, five hundred billion, five hundred million, five hundred five thousand, fifty".