2564612056 has 64 divisors (see below), whose sum is σ = 5109765120. Its totient is φ = 1204220160.

The previous prime is 2564612053. The next prime is 2564612093. The reversal of 2564612056 is 6502164652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564612053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5788971 + ... + 5789413.

It is an arithmetic number, because the mean of its divisors is an integer number (79840080).

Almost surely, 2^2564612056 is an apocalyptic number.

It is an amenable number.

2564612056 is a deficient number, since it is larger than the sum of its proper divisors (2545153064).

2564612056 is a wasteful number, since it uses less digits than its factorization.

2564612056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2564612056 is about 50641.9989336914. The cubic root of 2564612056 is about 1368.8017754134.

The spelling of 2564612056 in words is "two billion, five hundred sixty-four million, six hundred twelve thousand, fifty-six".