53539197 has 4 divisors (see below), whose sum is σ = 71385600. Its totient is φ = 35692796.

The previous prime is 53539181. The next prime is 53539229. The reversal of 53539197 is 79193535.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53539197 - 2⁴ = 53539181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53539117) 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, 8923197 + ... + 8923202.

It is an arithmetic number, because the mean of its divisors is an integer number (17846400).

Almost surely, 2^53539197 is an apocalyptic number.

It is an amenable number.

53539197 is a deficient number, since it is larger than the sum of its proper divisors (17846403).

53539197 is a wasteful number, since it uses less digits than its factorization.

53539197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17846402.

The product of its digits is 127575, while the sum is 42.

The square root of 53539197 is about 7317.0483803239. The cubic root of 53539197 is about 376.8981025636.

The spelling of 53539197 in words is "fifty-three million, five hundred thirty-nine thousand, one hundred ninety-seven".