553999684980 has 576 divisors, whose sum is σ = 1913194708992. Its totient is φ = 119251077120.

The previous prime is 553999684969. The next prime is 553999685033. The reversal of 553999684980 is 89486999355.

It is a happy number.

553999684980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1212252912 + ... + 1212253368.

It is an arithmetic number, because the mean of its divisors is an integer number (3321518592).

Almost surely, 2^553999684980 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 553999684980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956597354496).

553999684980 is an abundant number, since it is smaller than the sum of its proper divisors (1359195024012).

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

553999684980 is a wasteful number, since it uses less digits than its factorization.

553999684980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 755827200, while the sum is 75.

The spelling of 553999684980 in words is "five hundred fifty-three billion, nine hundred ninety-nine million, six hundred eighty-four thousand, nine hundred eighty".