2755551 has 16 divisors (see below), whose sum is σ = 4003200. Its totient is φ = 1679328.

The previous prime is 2755549. The next prime is 2755567. The reversal of 2755551 is 1555572.

It is not a de Polignac number, because 2755551 - 2¹ = 2755549 is a prime.

It is a super-2 number, since 2×2755551² = 15186122627202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820 + ... + 2486.

It is an arithmetic number, because the mean of its divisors is an integer number (250200).

2^2755551 is an apocalyptic number.

2755551 is a deficient number, since it is larger than the sum of its proper divisors (1247649).

2755551 is a wasteful number, since it uses less digits than its factorization.

2755551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718.

The product of its digits is 8750, while the sum is 30.

The square root of 2755551 is about 1659.9852408982. The cubic root of 2755551 is about 140.1961705720.

The spelling of 2755551 in words is "two million, seven hundred fifty-five thousand, five hundred fifty-one".