5255336644 has 6 divisors (see below), whose sum is σ = 9196839134. Its totient is φ = 2627668320.

The previous prime is 5255336621. The next prime is 5255336657. The reversal of 5255336644 is 4466335525.

It can be written as a sum of positive squares in only one way, i.e., 3802202244 + 1453134400 = 61662^2 + 38120^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5255336644.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656917077 + ... + 656917084.

Almost surely, 2^5255336644 is an apocalyptic number.

It is an amenable number.

5255336644 is a deficient number, since it is larger than the sum of its proper divisors (3941502490).

5255336644 is a wasteful number, since it uses less digits than its factorization.

5255336644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313834165 (or 1313834163 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 43.

The square root of 5255336644 is about 72493.7007194418. The cubic root of 5255336644 is about 1738.6020219606.

The spelling of 5255336644 in words is "five billion, two hundred fifty-five million, three hundred thirty-six thousand, six hundred forty-four".