552545784 has 96 divisors (see below), whose sum is σ = 1735893120. Its totient is φ = 155504448.

The previous prime is 552545701. The next prime is 552545837. The reversal of 552545784 is 487545255.

552545784 is a `hidden beast` number, since 5 + 525 + 45 + 7 + 84 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25587 + ... + 41949.

It is an arithmetic number, because the mean of its divisors is an integer number (18082220).

Almost surely, 2^552545784 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 552545784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867946560).

552545784 is an abundant number, since it is smaller than the sum of its proper divisors (1183347336).

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

552545784 is a wasteful number, since it uses less digits than its factorization.

552545784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16449 (or 16442 counting only the distinct ones).

The product of its digits is 1120000, while the sum is 45.

The square root of 552545784 is about 23506.2924341547. The cubic root of 552545784 is about 820.5834554667.

The spelling of 552545784 in words is "five hundred fifty-two million, five hundred forty-five thousand, seven hundred eighty-four".