2553556 has 12 divisors (see below), whose sum is σ = 4481568. Its totient is φ = 1273112.

The previous prime is 2553547. The next prime is 2553559. The reversal of 2553556 is 6553552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553559) 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, 1185 + ... + 2551.

It is an arithmetic number, because the mean of its divisors is an integer number (373464).

2^2553556 is an apocalyptic number.

It is an amenable number.

2553556 is a deficient number, since it is larger than the sum of its proper divisors (1928012).

2553556 is a wasteful number, since it uses less digits than its factorization.

2553556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838 (or 1836 counting only the distinct ones).

The product of its digits is 22500, while the sum is 31.

The square root of 2553556 is about 1597.9849811560. The cubic root of 2553556 is about 136.6831971544.

The spelling of 2553556 in words is "two million, five hundred fifty-three thousand, five hundred fifty-six".