53486565 has 16 divisors (see below), whose sum is σ = 93358656. Its totient is φ = 25932800.

The previous prime is 53486551. The next prime is 53486579. The reversal of 53486565 is 56568435.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53486551) and next prime (53486579).

It is not a de Polignac number, because 53486565 - 2⁴ = 53486549 is a prime.

It is a Curzon number.

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, 161916 + ... + 162245.

It is an arithmetic number, because the mean of its divisors is an integer number (5834916).

Almost surely, 2^53486565 is an apocalyptic number.

53486565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53486565 is a deficient number, since it is larger than the sum of its proper divisors (39872091).

53486565 is a wasteful number, since it uses less digits than its factorization.

53486565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324180.

The product of its digits is 432000, while the sum is 42.

The square root of 53486565 is about 7313.4509638063. The cubic root of 53486565 is about 376.7745581584.

The spelling of 53486565 in words is "fifty-three million, four hundred eighty-six thousand, five hundred sixty-five".