53520506250165 has 24 divisors (see below), whose sum is σ = 92769076659168. Its totient is φ = 28544208720480.

The previous prime is 53520506250109. The next prime is 53520506250269. The reversal of 53520506250165 is 56105260502535.

53520506250165 is a `hidden beast` number, since 5 + 3 + 5 + 2 + 0 + 5 + 0 + 625 + 0 + 16 + 5 = 666.

It is not a de Polignac number, because 53520506250165 - 2⁷ = 53520506250037 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 53520506250165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26612430 + ... + 28552800.

It is an arithmetic number, because the mean of its divisors is an integer number (3865378194132).

Almost surely, 2^{53520506250165} is an apocalyptic number.

It is an amenable number.

53520506250165 is a deficient number, since it is larger than the sum of its proper divisors (39248570409003).

53520506250165 is a wasteful number, since it uses less digits than its factorization.

53520506250165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553329 (or 2553326 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 53520506250165 in words is "fifty-three trillion, five hundred twenty billion, five hundred six million, two hundred fifty thousand, one hundred sixty-five".