551828970000 has 2400 divisors, whose sum is σ = 2637875609600. Its totient is φ = 107775360000.

The previous prime is 551828969963. The next prime is 551828970041. The reversal of 551828970000 is 79828155.

It is a happy number.

551828970000 is a `hidden beast` number, since 551 + 8 + 2 + 8 + 97 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 4345109937 + ... + 4345110063.

Almost surely, 2^551828970000 is an apocalyptic number.

551828970000 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 551828970000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318937804800).

551828970000 is an abundant number, since it is smaller than the sum of its proper divisors (2086046639600).

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

551828970000 is a wasteful number, since it uses less digits than its factorization.

551828970000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 551828970000 in words is "five hundred fifty-one billion, eight hundred twenty-eight million, nine hundred seventy thousand".