550555555600 has 240 divisors, whose sum is σ = 1360502922240. Its totient is φ = 214041139200.

The previous prime is 550555555559. The next prime is 550555555609. The reversal of 550555555600 is 6555555055.

It is a happy number.

It is a super-2 number, since 2×550555555600² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550555555609) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 907010497 + ... + 907011103.

It is an arithmetic number, because the mean of its divisors is an integer number (5668762176).

Almost surely, 2^550555555600 is an apocalyptic number.

550555555600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550555555600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680251461120).

550555555600 is an abundant number, since it is smaller than the sum of its proper divisors (809947366640).

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

550555555600 is a wasteful number, since it uses less digits than its factorization.

550555555600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 2343750, while the sum is 46.

The spelling of 550555555600 in words is "five hundred fifty billion, five hundred fifty-five million, five hundred fifty-five thousand, six hundred".