553312100 has 72 divisors (see below), whose sum is σ = 1313540928. Its totient is φ = 200636800.

The previous prime is 553312079. The next prime is 553312121. The reversal of 553312100 is 1213355.

It is an interprime number because it is at equal distance from previous prime (553312079) and next prime (553312121).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 744329 + ... + 745071.

It is an arithmetic number, because the mean of its divisors is an integer number (18243624).

Almost surely, 2^553312100 is an apocalyptic number.

553312100 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 553312100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656770464).

553312100 is an abundant number, since it is smaller than the sum of its proper divisors (760228828).

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

553312100 is a wasteful number, since it uses less digits than its factorization.

553312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 553312100 is about 23522.5870175880. The cubic root of 553312100 is about 820.9626311360.

Adding to 553312100 its reverse (1213355), we get a palindrome (554525455).

The spelling of 553312100 in words is "five hundred fifty-three million, three hundred twelve thousand, one hundred".