555050500550 has 48 divisors (see below), whose sum is σ = 1270638694752. Its totient is φ = 175664332800.

The previous prime is 555050500519. The next prime is 555050500559. The reversal of 555050500550 is 55005050555.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 555050500550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555050500559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60990011 + ... + 60999110.

It is an arithmetic number, because the mean of its divisors is an integer number (26471639474).

Almost surely, 2^555050500550 is an apocalyptic number.

555050500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

555050500550 is an abundant number, since it is smaller than the sum of its proper divisors (715588194202).

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

555050500550 is a wasteful number, since it uses less digits than its factorization.

555050500550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121989153 (or 121989148 counting only the distinct ones).

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

The spelling of 555050500550 in words is "five hundred fifty-five billion, fifty million, five hundred thousand, five hundred fifty".