553172820480 has 480 divisors, whose sum is σ = 2270587423104. Its totient is φ = 126438506496.

The previous prime is 553172820463. The next prime is 553172820493. The reversal of 553172820480 is 84028271355.

553172820480 is a `hidden beast` number, since 5 + 531 + 72 + 8 + 2 + 0 + 48 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4291044 + ... + 4418076.

Almost surely, 2^553172820480 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 553172820480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135293711552).

553172820480 is an abundant number, since it is smaller than the sum of its proper divisors (1717414602624).

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

553172820480 is an equidigital number, since it uses as much as digits as its factorization.

553172820480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127078 (or 127050 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 553172820480 in words is "five hundred fifty-three billion, one hundred seventy-two million, eight hundred twenty thousand, four hundred eighty".