551403050100 has 288 divisors, whose sum is σ = 1840778182656. Its totient is φ = 124830720000.

The previous prime is 551403050087. The next prime is 551403050123. The reversal of 551403050100 is 1050304155.

It is a super-2 number, since 2×551403050100² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 200290324 + ... + 200293076.

It is an arithmetic number, because the mean of its divisors is an integer number (6391590912).

Almost surely, 2^551403050100 is an apocalyptic number.

551403050100 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 551403050100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920389091328).

551403050100 is an abundant number, since it is smaller than the sum of its proper divisors (1289375132556).

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

551403050100 is a wasteful number, since it uses less digits than its factorization.

551403050100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655 (or 3648 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 551403050100 its reverse (1050304155), we get a palindrome (552453354255).

The spelling of 551403050100 in words is "five hundred fifty-one billion, four hundred three million, fifty thousand, one hundred".