552521860 has 48 divisors (see below), whose sum is σ = 1269136512. Its totient is φ = 200384000.

The previous prime is 552521839. The next prime is 552521861. The reversal of 552521860 is 68125255.

It is not an unprimeable number, because it can be changed into a prime (552521861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85089 + ... + 91351.

It is an arithmetic number, because the mean of its divisors is an integer number (26440344).

Almost surely, 2^552521860 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 552521860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634568256).

552521860 is an abundant number, since it is smaller than the sum of its proper divisors (716614652).

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

552521860 is a wasteful number, since it uses less digits than its factorization.

552521860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684 (or 6682 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 552521860 is about 23505.7835436303. The cubic root of 552521860 is about 820.5716121514.

The spelling of 552521860 in words is "five hundred fifty-two million, five hundred twenty-one thousand, eight hundred sixty".