553721203896 has 128 divisors (see below), whose sum is σ = 1651159572480. Its totient is φ = 151298775936.

The previous prime is 553721203859. The next prime is 553721203933. The reversal of 553721203896 is 698302127355.

It is an interprime number because it is at equal distance from previous prime (553721203859) and next prime (553721203933).

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 31 ways as a sum of consecutive naturals, for example, 27528675 + ... + 27548781.

It is an arithmetic number, because the mean of its divisors is an integer number (12899684160).

Almost surely, 2^553721203896 is an apocalyptic number.

553721203896 is a gapful number since it is divisible by the number (56) 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 553721203896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825579786240).

553721203896 is an abundant number, since it is smaller than the sum of its proper divisors (1097438368584).

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

553721203896 is a wasteful number, since it uses less digits than its factorization.

553721203896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27273 (or 27269 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 553721203896 in words is "five hundred fifty-three billion, seven hundred twenty-one million, two hundred three thousand, eight hundred ninety-six".