553211340 has 192 divisors, whose sum is σ = 1755274752. Its totient is φ = 129024000.

The previous prime is 553211333. The next prime is 553211371. The reversal of 553211340 is 43112355.

553211340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 553211340.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2866284 + ... + 2866476.

It is an arithmetic number, because the mean of its divisors is an integer number (9142056).

Almost surely, 2^553211340 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 553211340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (877637376).

553211340 is an abundant number, since it is smaller than the sum of its proper divisors (1202063412).

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

553211340 is a wasteful number, since it uses less digits than its factorization.

553211340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 553211340 is about 23520.4451488487. The cubic root of 553211340 is about 820.9127947559.

Adding to 553211340 its reverse (43112355), we get a palindrome (596323695).

The spelling of 553211340 in words is "five hundred fifty-three million, two hundred eleven thousand, three hundred forty".