2755648 has 28 divisors (see below), whose sum is σ = 6250432. Its totient is φ = 1180800.

The previous prime is 2755637. The next prime is 2755661. The reversal of 2755648 is 8465572.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2628 + ... + 3523.

2^2755648 is an apocalyptic number.

2755648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2755648 is an abundant number, since it is smaller than the sum of its proper divisors (3494784).

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

2755648 is an equidigital number, since it uses as much as digits as its factorization.

2755648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6170 (or 6160 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 2755648 is about 1660.0144577684. The cubic root of 2755648 is about 140.1978155992.

It can be divided in two parts, 275564 and 8, that added together give a palindrome (275572).

The spelling of 2755648 in words is "two million, seven hundred fifty-five thousand, six hundred forty-eight".