53535431 has 4 divisors (see below), whose sum is σ = 56684592. Its totient is φ = 50386272.

The previous prime is 53535409. The next prime is 53535439. The reversal of 53535431 is 13453535.

53535431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53535431 - 2¹⁸ = 53273287 is a prime.

It is a super-2 number, since 2×53535431² = 5732084744711522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53535394 and 53535403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53535439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1574555 + ... + 1574588.

It is an arithmetic number, because the mean of its divisors is an integer number (14171148).

Almost surely, 2^53535431 is an apocalyptic number.

53535431 is a deficient number, since it is larger than the sum of its proper divisors (3149161).

53535431 is a wasteful number, since it uses less digits than its factorization.

53535431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149160.

The product of its digits is 13500, while the sum is 29.

The square root of 53535431 is about 7316.7910315930. The cubic root of 53535431 is about 376.8892652281.

Adding to 53535431 its reverse (13453535), we get a palindrome (66988966).

The spelling of 53535431 in words is "fifty-three million, five hundred thirty-five thousand, four hundred thirty-one".