551406250600 has 96 divisors (see below), whose sum is σ = 1358350560000. Its totient is φ = 207447833600.

The previous prime is 551406250573. The next prime is 551406250667. The reversal of 551406250600 is 6052604155.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 5042505 + ... + 5150695.

It is an arithmetic number, because the mean of its divisors is an integer number (14149485000).

Almost surely, 2^551406250600 is an apocalyptic number.

551406250600 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 551406250600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679175280000).

551406250600 is an abundant number, since it is smaller than the sum of its proper divisors (806944309400).

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

551406250600 is a wasteful number, since it uses less digits than its factorization.

551406250600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109723 (or 109714 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 551406250600 its reverse (6052604155), we get a palindrome (557458854755).

The spelling of 551406250600 in words is "five hundred fifty-one billion, four hundred six million, two hundred fifty thousand, six hundred".