553216031640 has 192 divisors, whose sum is σ = 1859303496960. Its totient is φ = 142507514880.

The previous prime is 553216031573. The next prime is 553216031647. The reversal of 553216031640 is 46130612355.

553216031640 is a `hidden beast` number, since 5 + 5 + 3 + 2 + 1 + 6 + 0 + 3 + 1 + 640 = 666.

553216031640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 553216031595 and 553216031604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553216031647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6171622 + ... + 6260618.

It is an arithmetic number, because the mean of its divisors is an integer number (9683872380).

Almost surely, 2^553216031640 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 553216031640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929651748480).

553216031640 is an abundant number, since it is smaller than the sum of its proper divisors (1306087465320).

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

553216031640 is a wasteful number, since it uses less digits than its factorization.

553216031640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89602 (or 89595 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 553216031640 its reverse (46130612355), we get a palindrome (599346643995).

The spelling of 553216031640 in words is "five hundred fifty-three billion, two hundred sixteen million, thirty-one thousand, six hundred forty".