5255728753 has 4 divisors (see below), whose sum is σ = 5733522288. Its totient is φ = 4777935220.

The previous prime is 5255728733. The next prime is 5255728759. The reversal of 5255728753 is 3578275525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5255728753 is a prime.

It is a super-2 number, since 2×5255728753² = 55245369450221870018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5255728697 and 5255728706.

It is not an unprimeable number, because it can be changed into a prime (5255728759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238896751 + ... + 238896772.

It is an arithmetic number, because the mean of its divisors is an integer number (1433380572).

Almost surely, 2^5255728753 is an apocalyptic number.

It is an amenable number.

5255728753 is a deficient number, since it is larger than the sum of its proper divisors (477793535).

5255728753 is a wasteful number, since it uses less digits than its factorization.

5255728753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477793534.

The product of its digits is 2940000, while the sum is 49.

The square root of 5255728753 is about 72496.4051039774. The cubic root of 5255728753 is about 1738.6452608365.

The spelling of 5255728753 in words is "five billion, two hundred fifty-five million, seven hundred twenty-eight thousand, seven hundred fifty-three".