2755557 has 24 divisors (see below), whose sum is σ = 4592640. Its totient is φ = 1559520.

The previous prime is 2755549. The next prime is 2755567. The reversal of 2755557 is 7555572.

2755557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2755557 - 2³ = 2755549 is a prime.

2755557 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11919 + ... + 12147.

It is an arithmetic number, because the mean of its divisors is an integer number (191360).

2^2755557 is an apocalyptic number.

It is an amenable number.

2755557 is a deficient number, since it is larger than the sum of its proper divisors (1837083).

2755557 is a wasteful number, since it uses less digits than its factorization.

2755557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 430 counting only the distinct ones).

The product of its digits is 61250, while the sum is 36.

The square root of 2755557 is about 1659.9870481422. The cubic root of 2755557 is about 140.1962723274.

It can be divided in two parts, 275 and 5557, that added together give a cube (5832 = 18³).

The spelling of 2755557 in words is "two million, seven hundred fifty-five thousand, five hundred fifty-seven".