2564056 has 16 divisors (see below), whose sum is σ = 5244840. Its totient is φ = 1165440.

The previous prime is 2564053. The next prime is 2564057. The reversal of 2564056 is 6504652.

It is a super-2 number, since 2×2564056² = 13148766342272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564053) 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 3 ways as a sum of consecutive naturals, for example, 14481 + ... + 14656.

2^2564056 is an apocalyptic number.

It is an amenable number.

2564056 is an abundant number, since it is smaller than the sum of its proper divisors (2680784).

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

2564056 is a wasteful number, since it uses less digits than its factorization.

2564056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29154 (or 29150 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2564056 is about 1601.2669983485. The cubic root of 2564056 is about 136.8702840963.

The spelling of 2564056 in words is "two million, five hundred sixty-four thousand, fifty-six".