555506100100 has 72 divisors (see below), whose sum is σ = 1378789251840. Its totient is φ = 190302443520.

The previous prime is 555506100077. The next prime is 555506100103. The reversal of 555506100100 is 1001605555.

It is a super-2 number, since 2×555506100100² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (555506100103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 525861 + ... + 1177939.

It is an arithmetic number, because the mean of its divisors is an integer number (19149850720).

Almost surely, 2^555506100100 is an apocalyptic number.

555506100100 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 555506100100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689394625920).

555506100100 is an abundant number, since it is smaller than the sum of its proper divisors (823283151740).

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

555506100100 is a wasteful number, since it uses less digits than its factorization.

555506100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653317 (or 653310 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

Adding to 555506100100 its reverse (1001605555), we get a palindrome (556507705655).

The spelling of 555506100100 in words is "five hundred fifty-five billion, five hundred six million, one hundred thousand, one hundred".