53431013 has 8 divisors (see below), whose sum is σ = 53863680. Its totient is φ = 53000640.

The previous prime is 53431009. The next prime is 53431031. The reversal of 53431013 is 31013435.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53431013 - 2² = 53431009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53431043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111308 + ... + 111786.

It is an arithmetic number, because the mean of its divisors is an integer number (6732960).

Almost surely, 2^53431013 is an apocalyptic number.

It is an amenable number.

53431013 is a deficient number, since it is larger than the sum of its proper divisors (432667).

53431013 is a wasteful number, since it uses less digits than its factorization.

53431013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 53431013 is about 7309.6520437022. The cubic root of 53431013 is about 376.6440716165.

Adding to 53431013 its reverse (31013435), we get a palindrome (84444448).

The spelling of 53431013 in words is "fifty-three million, four hundred thirty-one thousand, thirteen".