552909812 has 48 divisors (see below), whose sum is σ = 1205296512. Its totient is φ = 216086400.

The previous prime is 552909809. The next prime is 552909817. The reversal of 552909812 is 218909255.

It is a self number, because there is not a number n which added to its sum of digits gives 552909812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552909817) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21062 + ... + 39362.

It is an arithmetic number, because the mean of its divisors is an integer number (25110344).

Almost surely, 2^552909812 is an apocalyptic number.

552909812 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552909812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602648256).

552909812 is an abundant number, since it is smaller than the sum of its proper divisors (652386700).

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

552909812 is a wasteful number, since it uses less digits than its factorization.

552909812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18408 (or 18406 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 552909812 is about 23514.0343624823. The cubic root of 552909812 is about 820.7636213986.

The spelling of 552909812 in words is "five hundred fifty-two million, nine hundred nine thousand, eight hundred twelve".