553445513280 has 336 divisors, whose sum is σ = 2078089872768. Its totient is φ = 134077440000.

The previous prime is 553445513279. The next prime is 553445513281. The reversal of 553445513280 is 82315544355.

It is a happy number.

553445513280 is a `hidden beast` number, since 5 + 53 + 4 + 4 + 5 + 513 + 2 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (553445513279) and next prime (553445513281).

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

It is not an unprimeable number, because it can be changed into a prime (553445513281) 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, 54516205 + ... + 54526355.

It is an arithmetic number, because the mean of its divisors is an integer number (6184791288).

Almost surely, 2^553445513280 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 553445513280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1039044936384).

553445513280 is an abundant number, since it is smaller than the sum of its proper divisors (1524644359488).

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

553445513280 is a wasteful number, since it uses less digits than its factorization.

553445513280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11906 (or 11893 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 553445513280 in words is "five hundred fifty-three billion, four hundred forty-five million, five hundred thirteen thousand, two hundred eighty".