551245052000 has 48 divisors (see below), whose sum is σ = 1354409102592. Its totient is φ = 220498019200.

The previous prime is 551245051939. The next prime is 551245052023. The reversal of 551245052000 is 250542155.

It is a super-3 number, since 3×551245052000³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 68901632 + ... + 68909631.

It is an arithmetic number, because the mean of its divisors is an integer number (28216856304).

Almost surely, 2^551245052000 is an apocalyptic number.

551245052000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551245052000 is an abundant number, since it is smaller than the sum of its proper divisors (803164050592).

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

551245052000 is a wasteful number, since it uses less digits than its factorization.

551245052000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137811288 (or 137811270 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

Adding to 551245052000 its reverse (250542155), we get a palindrome (551495594155).

The spelling of 551245052000 in words is "five hundred fifty-one billion, two hundred forty-five million, fifty-two thousand".