2053556 has 12 divisors (see below), whose sum is σ = 3622080. Its totient is φ = 1018680.

The previous prime is 2053553. The next prime is 2053573. The reversal of 2053556 is 6553502.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436 + ... + 2483.

It is an arithmetic number, because the mean of its divisors is an integer number (301840).

2^2053556 is an apocalyptic number.

It is an amenable number.

2053556 is a deficient number, since it is larger than the sum of its proper divisors (1568524).

2053556 is a wasteful number, since it uses less digits than its factorization.

2053556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 2053556 is about 1433.0233773390. The cubic root of 2053556 is about 127.1068190104.

The spelling of 2053556 in words is "two million, fifty-three thousand, five hundred fifty-six".