53532317 has 4 divisors (see below), whose sum is σ = 53551836. Its totient is φ = 53512800.

The previous prime is 53532307. The next prime is 53532331. The reversal of 53532317 is 71323535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71323535 = 5 ⋅14264707.

It can be written as a sum of positive squares in 2 ways, for example, as 27102436 + 26429881 = 5206^2 + 5141^2 .

It is a cyclic number.

It is not a de Polignac number, because 53532317 - 2⁴ = 53532301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53532317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53532307) 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, 4808 + ... + 11409.

It is an arithmetic number, because the mean of its divisors is an integer number (13387959).

Almost surely, 2^53532317 is an apocalyptic number.

It is an amenable number.

53532317 is a deficient number, since it is larger than the sum of its proper divisors (19519).

53532317 is a wasteful number, since it uses less digits than its factorization.

53532317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19518.

The product of its digits is 9450, while the sum is 29.

The square root of 53532317 is about 7316.5782302932. The cubic root of 53532317 is about 376.8819575697.

The spelling of 53532317 in words is "fifty-three million, five hundred thirty-two thousand, three hundred seventeen".