2053666852 has 6 divisors (see below), whose sum is σ = 3593916998. Its totient is φ = 1026833424.

The previous prime is 2053666819. The next prime is 2053666891. The reversal of 2053666852 is 2586663502.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1873677796 + 179989056 = 43286^2 + 13416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2053666799 and 2053666808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256708353 + ... + 256708360.

Almost surely, 2^2053666852 is an apocalyptic number.

It is an amenable number.

2053666852 is a deficient number, since it is larger than the sum of its proper divisors (1540250146).

2053666852 is a wasteful number, since it uses less digits than its factorization.

2053666852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513416717 (or 513416715 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 2053666852 is about 45317.4012052765. The cubic root of 2053666852 is about 1271.0910606622.

The spelling of 2053666852 in words is "two billion, fifty-three million, six hundred sixty-six thousand, eight hundred fifty-two".