551253551000 has 32 divisors (see below), whose sum is σ = 1289933311680. Its totient is φ = 220501420000.

The previous prime is 551253550997. The next prime is 551253551071. The reversal of 551253551000 is 155352155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275625776 + ... + 275627775.

It is an arithmetic number, because the mean of its divisors is an integer number (40310415990).

Almost surely, 2^551253551000 is an apocalyptic number.

551253551000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551253551000 is an abundant number, since it is smaller than the sum of its proper divisors (738679760680).

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

551253551000 is a wasteful number, since it uses less digits than its factorization.

551253551000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551253572 (or 551253558 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 551253551000 in words is "five hundred fifty-one billion, two hundred fifty-three million, five hundred fifty-one thousand".