53423313 has 4 divisors (see below), whose sum is σ = 71231088. Its totient is φ = 35615540.

The previous prime is 53423303. The next prime is 53423317. The reversal of 53423313 is 31332435.

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 53423313 - 2⁸ = 53423057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53423317) 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, 8903883 + ... + 8903888.

It is an arithmetic number, because the mean of its divisors is an integer number (17807772).

Almost surely, 2^53423313 is an apocalyptic number.

It is an amenable number.

53423313 is a deficient number, since it is larger than the sum of its proper divisors (17807775).

53423313 is a wasteful number, since it uses less digits than its factorization.

53423313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17807774.

The product of its digits is 3240, while the sum is 24.

The square root of 53423313 is about 7309.1253238674. The cubic root of 53423313 is about 376.6259778883.

Adding to 53423313 its reverse (31332435), we get a palindrome (84755748).

The spelling of 53423313 in words is "fifty-three million, four hundred twenty-three thousand, three hundred thirteen".