2564340550 has 12 divisors (see below), whose sum is σ = 4769673516. Its totient is φ = 1025736200.

The previous prime is 2564340547. The next prime is 2564340563. The reversal of 2564340550 is 550434652.

2564340550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25643356 + ... + 25643455.

It is an arithmetic number, because the mean of its divisors is an integer number (397472793).

Almost surely, 2^2564340550 is an apocalyptic number.

2564340550 is a deficient number, since it is larger than the sum of its proper divisors (2205332966).

2564340550 is a wasteful number, since it uses less digits than its factorization.

2564340550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51286823 (or 51286818 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 2564340550 is about 50639.3182221088. The cubic root of 2564340550 is about 1368.7534703803.

The spelling of 2564340550 in words is "two billion, five hundred sixty-four million, three hundred forty thousand, five hundred fifty".