53329709 has 8 divisors (see below), whose sum is σ = 55724352. Its totient is φ = 50941440.

The previous prime is 53329699. The next prime is 53329721. The reversal of 53329709 is 90792335.

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 53329709 - 2⁴ = 53329693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53329769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25514 + ... + 27524.

It is an arithmetic number, because the mean of its divisors is an integer number (6965544).

Almost surely, 2^53329709 is an apocalyptic number.

It is an amenable number.

53329709 is a deficient number, since it is larger than the sum of its proper divisors (2394643).

53329709 is a wasteful number, since it uses less digits than its factorization.

53329709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 53329709 is about 7302.7192880461. The cubic root of 53329709 is about 376.4058847886.

The spelling of 53329709 in words is "fifty-three million, three hundred twenty-nine thousand, seven hundred nine".