551886552 has 96 divisors (see below), whose sum is σ = 1763374080. Its totient is φ = 152591040.

The previous prime is 551886551. The next prime is 551886563. The reversal of 551886552 is 255688155.

551886552 is a `hidden beast` number, since 5 + 5 + 18 + 86 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 551886498 and 551886507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551886551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2038 + ... + 33285.

It is an arithmetic number, because the mean of its divisors is an integer number (18368480).

Almost surely, 2^551886552 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 551886552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881687040).

551886552 is an abundant number, since it is smaller than the sum of its proper divisors (1211487528).

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

551886552 is a wasteful number, since it uses less digits than its factorization.

551886552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35373 (or 35366 counting only the distinct ones).

The product of its digits is 480000, while the sum is 45.

The square root of 551886552 is about 23492.2657911067. The cubic root of 551886552 is about 820.2569846926.

The spelling of 551886552 in words is "five hundred fifty-one million, eight hundred eighty-six thousand, five hundred fifty-two".