550550605600 has 72 divisors (see below), whose sum is σ = 1344346331328. Its totient is φ = 220168684800.

The previous prime is 550550605547. The next prime is 550550605607. The reversal of 550550605600 is 6506055055.

It is a self number, because there is not a number n which added to its sum of digits gives 550550605600.

It is not an unprimeable number, because it can be changed into a prime (550550605607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3434437 + ... + 3591163.

It is an arithmetic number, because the mean of its divisors is an integer number (18671476824).

Almost surely, 2^550550605600 is an apocalyptic number.

550550605600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550550605600 is an abundant number, since it is smaller than the sum of its proper divisors (793795725728).

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

550550605600 is a wasteful number, since it uses less digits than its factorization.

550550605600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161138 (or 161125 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 550550605600 in words is "five hundred fifty billion, five hundred fifty million, six hundred five thousand, six hundred".