2553828 has 48 divisors (see below), whose sum is σ = 6558720. Its totient is φ = 769824.

The previous prime is 2553823. The next prime is 2553829. The reversal of 2553828 is 8283552.

It is not an unprimeable number, because it can be changed into a prime (2553823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5001 + ... + 5487.

It is an arithmetic number, because the mean of its divisors is an integer number (136640).

2^2553828 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 2553828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3279360).

2553828 is an abundant number, since it is smaller than the sum of its proper divisors (4004892).

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

2553828 is a wasteful number, since it uses less digits than its factorization.

2553828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 534 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 2553828 is about 1598.0700860726. The cubic root of 2553828 is about 136.6880500615.

The spelling of 2553828 in words is "two million, five hundred fifty-three thousand, eight hundred twenty-eight".