2555056 has 30 divisors (see below), whose sum is σ = 5760420. Its totient is φ = 1094688.

The previous prime is 2555041. The next prime is 2555057. The reversal of 2555056 is 6505552.

It is a super-2 number, since 2×2555056² = 13056622326272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2555057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 846 + ... + 2413.

It is an arithmetic number, because the mean of its divisors is an integer number (192014).

2^2555056 is an apocalyptic number.

It is an amenable number.

2555056 is an abundant number, since it is smaller than the sum of its proper divisors (3205364).

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

2555056 is a wasteful number, since it uses less digits than its factorization.

2555056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281 (or 3268 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 2555056 is about 1598.4542533335. The cubic root of 2555056 is about 136.7099552209.

The spelling of 2555056 in words is "two million, five hundred fifty-five thousand, fifty-six".