551859473088 has 448 divisors, whose sum is σ = 2055877463040. Its totient is φ = 140988211200.

The previous prime is 551859473017. The next prime is 551859473111. The reversal of 551859473088 is 880374958155.

551859473088 is a `hidden beast` number, since 5 + 5 + 1 + 8 + 594 + 7 + 30 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8082420 + ... + 8150412.

Almost surely, 2^551859473088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551859473088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1027938731520).

551859473088 is an abundant number, since it is smaller than the sum of its proper divisors (1504017989952).

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

551859473088 is a wasteful number, since it uses less digits than its factorization.

551859473088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68093 (or 68077 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 63.

The spelling of 551859473088 in words is "five hundred fifty-one billion, eight hundred fifty-nine million, four hundred seventy-three thousand, eighty-eight".