2564352550 has 96 divisors (see below), whose sum is σ = 5158598400. Its totient is φ = 946176000.

The previous prime is 2564352509. The next prime is 2564352559. The reversal of 2564352550 is 552534652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564352559) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4000230 + ... + 4000870.

It is an arithmetic number, because the mean of its divisors is an integer number (53735400).

Almost surely, 2^2564352550 is an apocalyptic number.

2564352550 is an abundant number, since it is smaller than the sum of its proper divisors (2594245850).

2564352550 is a wasteful number, since it uses less digits than its factorization.

2564352550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The square root of 2564352550 is about 50639.4367069777. The cubic root of 2564352550 is about 1368.7556054343.

The spelling of 2564352550 in words is "two billion, five hundred sixty-four million, three hundred fifty-two thousand, five hundred fifty".