2555748 has 72 divisors (see below), whose sum is σ = 7175168. Its totient is φ = 762048.

The previous prime is 2555731. The next prime is 2555753. The reversal of 2555748 is 8475552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2¹⁶ + 5 + 5² + 5⁸ + 7⁴ + 4 + 8⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20061 + ... + 20187.

2^2555748 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 2555748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3587584).

2555748 is an abundant number, since it is smaller than the sum of its proper divisors (4619420).

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

2555748 is a wasteful number, since it uses less digits than its factorization.

2555748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 188 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 2555748 is about 1598.6706977986. The cubic root of 2555748 is about 136.7222960789.

The spelling of 2555748 in words is "two million, five hundred fifty-five thousand, seven hundred forty-eight".