5255336645 has 16 divisors (see below), whose sum is σ = 7025704560. Its totient is φ = 3747039744.

The previous prime is 5255336621. The next prime is 5255336657. The reversal of 5255336645 is 5466335525.

It can be written as a sum of positive squares in 8 ways, for example, as 1546770241 + 3708566404 = 39329^2 + 60898^2 .

It is a cyclic number.

It is not a de Polignac number, because 5255336645 - 2²² = 5251142341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5255336596 and 5255336605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1392104 + ... + 1395873.

It is an arithmetic number, because the mean of its divisors is an integer number (439106535).

Almost surely, 2^5255336645 is an apocalyptic number.

It is an amenable number.

5255336645 is a deficient number, since it is larger than the sum of its proper divisors (1770367915).

5255336645 is a wasteful number, since it uses less digits than its factorization.

5255336645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788024.

The product of its digits is 1620000, while the sum is 44.

The square root of 5255336645 is about 72493.7007263390. The cubic root of 5255336645 is about 1738.6020220709.

It can be divided in two parts, 52553 and 36645, that added together give a palindrome (89198).

The spelling of 5255336645 in words is "five billion, two hundred fifty-five million, three hundred thirty-six thousand, six hundred forty-five".