53165535 has 32 divisors (see below), whose sum is σ = 90021888. Its totient is φ = 26737920.

The previous prime is 53165533. The next prime is 53165537. The reversal of 53165535 is 53556135.

It is an interprime number because it is at equal distance from previous prime (53165533) and next prime (53165537).

It is not a de Polignac number, because 53165535 - 2¹ = 53165533 is a prime.

It is a super-2 number, since 2×53165535² = 5653148223672450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53165496 and 53165505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53165531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24130 + ... + 26240.

It is an arithmetic number, because the mean of its divisors is an integer number (2813184).

Almost surely, 2^53165535 is an apocalyptic number.

53165535 is a deficient number, since it is larger than the sum of its proper divisors (36856353).

53165535 is a wasteful number, since it uses less digits than its factorization.

53165535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215.

The product of its digits is 33750, while the sum is 33.

The square root of 53165535 is about 7291.4700163959. The cubic root of 53165535 is about 376.0192361330.

It can be divided in two parts, 531 and 65535, that added together give a palindrome (66066).

The spelling of 53165535 in words is "fifty-three million, one hundred sixty-five thousand, five hundred thirty-five".