2557048 has 32 divisors (see below), whose sum is σ = 5392800. Its totient is φ = 1127808.

The previous prime is 2557013. The next prime is 2557063. The reversal of 2557048 is 8407552.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1858 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (168525).

2^2557048 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 2557048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2696400).

2557048 is an abundant number, since it is smaller than the sum of its proper divisors (2835752).

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

2557048 is a wasteful number, since it uses less digits than its factorization.

2557048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 2557048 is about 1599.0772339071. The cubic root of 2557048 is about 136.7454737497.

The spelling of 2557048 in words is "two million, five hundred fifty-seven thousand, forty-eight".