33052780057553 has 4 divisors (see below), whose sum is σ = 33055201697700. Its totient is φ = 33050358417408.

The previous prime is 33052780057483. The next prime is 33052780057597. The reversal of 33052780057553 is 35575008725033.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7597647242689 + 25455132814864 = 2756383^2 + 5045308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33052780057553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33052780057495 and 33052780057504.

It is not an unprimeable number, because it can be changed into a prime (33052780057753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210799600 + ... + 1210826897.

It is an arithmetic number, because the mean of its divisors is an integer number (8263800424425).

Almost surely, 2^{33052780057553} is an apocalyptic number.

It is an amenable number.

33052780057553 is a deficient number, since it is larger than the sum of its proper divisors (2421640147).

33052780057553 is a wasteful number, since it uses less digits than its factorization.

33052780057553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421640146.

The product of its (nonzero) digits is 13230000, while the sum is 53.

The spelling of 33052780057553 in words is "thirty-three trillion, fifty-two billion, seven hundred eighty million, fifty-seven thousand, five hundred fifty-three".