551610650000 has 60 divisors (see below), whose sum is σ = 1335846664404. Its totient is φ = 220644240000.

The previous prime is 551610649937. The next prime is 551610650033. The reversal of 551610650000 is 56016155.

It can be written as a sum of positive squares in 6 ways, for example, as 457641426064 + 93969223936 = 676492^2 + 306544^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5466107 + ... + 5566106.

Almost surely, 2^551610650000 is an apocalyptic number.

551610650000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551610650000 is an abundant number, since it is smaller than the sum of its proper divisors (784236014404).

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

551610650000 is an equidigital number, since it uses as much as digits as its factorization.

551610650000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11032246 (or 11032220 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 551610650000 its reverse (56016155), we get a palindrome (551666666155).

The spelling of 551610650000 in words is "five hundred fifty-one billion, six hundred ten million, six hundred fifty thousand".