53543897 has 12 divisors (see below), whose sum is σ = 62053296. Its totient is φ = 45810240.

The previous prime is 53543891. The next prime is 53543899. The reversal of 53543897 is 79834535.

It is not a de Polignac number, because 53543897 - 2⁸ = 53543641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53543891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5243 + ... + 11600.

It is an arithmetic number, because the mean of its divisors is an integer number (5171108).

Almost surely, 2^53543897 is an apocalyptic number.

It is an amenable number.

53543897 is a deficient number, since it is larger than the sum of its proper divisors (8509399).

53543897 is a wasteful number, since it uses less digits than its factorization.

53543897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16888 (or 16871 counting only the distinct ones).

The product of its digits is 453600, while the sum is 44.

The square root of 53543897 is about 7317.3695410304. The cubic root of 53543897 is about 376.9091310521.

It can be divided in two parts, 535438 and 97, that added together give a palindrome (535535).

The spelling of 53543897 in words is "fifty-three million, five hundred forty-three thousand, eight hundred ninety-seven".