2564094555 has 96 divisors (see below), whose sum is σ = 5249387520. Its totient is φ = 1177519680.

The previous prime is 2564094529. The next prime is 2564094569. The reversal of 2564094555 is 5554904652.

2564094555 is a `hidden beast` number, since 2 + 5 + 6 + 4 + 0 + 94 + 555 = 666.

It is not a de Polignac number, because 2564094555 - 2⁵ = 2564094523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2564094555.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 533694 + ... + 538476.

It is an arithmetic number, because the mean of its divisors is an integer number (54681120).

Almost surely, 2^2564094555 is an apocalyptic number.

2564094555 is an abundant number, since it is smaller than the sum of its proper divisors (2685292965).

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

2564094555 is a wasteful number, since it uses less digits than its factorization.

2564094555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846 (or 4821 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The square root of 2564094555 is about 50636.8892705703. The cubic root of 2564094555 is about 1368.7097011967.

The spelling of 2564094555 in words is "two billion, five hundred sixty-four million, ninety-four thousand, five hundred fifty-five".