2773143552 has 104 divisors (see below), whose sum is σ = 7456562176. Its totient is φ = 916586496.

The previous prime is 2773143523. The next prime is 2773143559. The reversal of 2773143552 is 2553413772.

It is a self number, because there is not a number n which added to its sum of digits gives 2773143552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773143559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1559688 + ... + 1561464.

Almost surely, 2^2773143552 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 2773143552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3728281088).

2773143552 is an abundant number, since it is smaller than the sum of its proper divisors (4683418624).

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

2773143552 is a wasteful number, since it uses less digits than its factorization.

2773143552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931 (or 1909 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 2773143552 is about 52660.6451916419. The cubic root of 2773143552 is about 1404.9389422266.

The spelling of 2773143552 in words is "two billion, seven hundred seventy-three million, one hundred forty-three thousand, five hundred fifty-two".