550100655600 has 120 divisors (see below), whose sum is σ = 1762443863040. Its totient is φ = 146669525760.

The previous prime is 550100655571. The next prime is 550100655647. The reversal of 550100655600 is 6556001055.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×550100655600² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 8028687 + ... + 8096913.

It is an arithmetic number, because the mean of its divisors is an integer number (14687032192).

Almost surely, 2^550100655600 is an apocalyptic number.

550100655600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550100655600 is an abundant number, since it is smaller than the sum of its proper divisors (1212343207440).

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

550100655600 is a wasteful number, since it uses less digits than its factorization.

550100655600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74967 (or 74956 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

Adding to 550100655600 its reverse (6556001055), we get a palindrome (556656656655).

The spelling of 550100655600 in words is "five hundred fifty billion, one hundred million, six hundred fifty-five thousand, six hundred".