552503100 has 72 divisors (see below), whose sum is σ = 1616615280. Its totient is φ = 145671680.

The previous prime is 552503093. The next prime is 552503101. The reversal of 552503100 is 1305255.

552503100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×552503100² = 610519351019220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552503101) 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, 16354 + ... + 37046.

It is an arithmetic number, because the mean of its divisors is an integer number (22452990).

Almost surely, 2^552503100 is an apocalyptic number.

552503100 is a gapful number since it is divisible by the number (50) 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 552503100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808307640).

552503100 is an abundant number, since it is smaller than the sum of its proper divisors (1064112180).

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

552503100 is a wasteful number, since it uses less digits than its factorization.

552503100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20799 (or 20792 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 552503100 is about 23505.3844895164. The cubic root of 552503100 is about 820.5623249787.

Adding to 552503100 its reverse (1305255), we get a palindrome (553808355).

The spelling of 552503100 in words is "five hundred fifty-two million, five hundred three thousand, one hundred".