551325852 has 360 divisors, whose sum is σ = 1892536800. Its totient is φ = 139708800.

The previous prime is 551325851. The next prime is 551325877. The reversal of 551325852 is 258523155.

551325852 is a `hidden beast` number, since 551 + 3 + 2 + 58 + 52 = 666.

It is a super-3 number, since 3×551325852³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (60000) is a multiple of the sum of its prime factors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551325851) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 13446952 + ... + 13446992.

Almost surely, 2^551325852 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 551325852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946268400).

551325852 is an abundant number, since it is smaller than the sum of its proper divisors (1341210948).

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

551325852 is a wasteful number, since it uses less digits than its factorization.

551325852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 64 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 551325852 is about 23480.3290436910. The cubic root of 551325852 is about 819.9791051586.

The spelling of 551325852 in words is "five hundred fifty-one million, three hundred twenty-five thousand, eight hundred fifty-two".