2551056 has 20 divisors (see below), whose sum is σ = 6590352. Its totient is φ = 850336.

The previous prime is 2551033. The next prime is 2551057. The reversal of 2551056 is 6501552.

2551056 is nontrivially palindromic in base 5.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2551057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26526 + ... + 26621.

2^2551056 is an apocalyptic number.

It is an amenable number.

2551056 is an abundant number, since it is smaller than the sum of its proper divisors (4039296).

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

2551056 is a wasteful number, since it uses less digits than its factorization.

2551056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53158 (or 53152 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 2551056 is about 1597.2025544683. The cubic root of 2551056 is about 136.6385770812.

The spelling of 2551056 in words is "two million, five hundred fifty-one thousand, fifty-six".