2755560 has 32 divisors (see below), whose sum is σ = 8267040. Its totient is φ = 734784.

The previous prime is 2755549. The next prime is 2755567. The reversal of 2755560 is 655572.

It is a super-2 number, since 2×2755560² = 15186221827200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11362 + ... + 11601.

It is an arithmetic number, because the mean of its divisors is an integer number (258345).

2^2755560 is an apocalyptic number.

2755560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2755560 is an abundant number, since it is smaller than the sum of its proper divisors (5511480).

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

2755560 is a wasteful number, since it uses less digits than its factorization.

2755560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22977 (or 22973 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 2755560 is about 1659.9879517635. The cubic root of 2755560 is about 140.1963232050.

The spelling of 2755560 in words is "two million, seven hundred fifty-five thousand, five hundred sixty".