5256555165 has 48 divisors (see below), whose sum is σ = 9257826240. Its totient is φ = 2758613760.

The previous prime is 5256555163. The next prime is 5256555169. The reversal of 5256555165 is 5615556525.

5256555165 is a `hidden beast` number, since 525 + 65 + 5 + 5 + 1 + 65 = 666.

It is not a de Polignac number, because 5256555165 - 2¹ = 5256555163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5256555165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256555163) 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, 1611306 + ... + 1614564.

It is an arithmetic number, because the mean of its divisors is an integer number (192871380).

Almost surely, 2^5256555165 is an apocalyptic number.

It is an amenable number.

5256555165 is a deficient number, since it is larger than the sum of its proper divisors (4001271075).

5256555165 is a wasteful number, since it uses less digits than its factorization.

5256555165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834 (or 3831 counting only the distinct ones).

The product of its digits is 1125000, while the sum is 45.

The square root of 5256555165 is about 72502.1045556610. The cubic root of 5256555165 is about 1738.7363843877.

The spelling of 5256555165 in words is "five billion, two hundred fifty-six million, five hundred fifty-five thousand, one hundred sixty-five".