53439353 has 8 divisors (see below), whose sum is σ = 58685376. Its totient is φ = 48258000.

The previous prime is 53439349. The next prime is 53439361. The reversal of 53439353 is 35393435.

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 53439353 - 2² = 53439349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53439053) 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, 14426 + ... + 17747.

It is an arithmetic number, because the mean of its divisors is an integer number (7335672).

Almost surely, 2^53439353 is an apocalyptic number.

It is an amenable number.

53439353 is a deficient number, since it is larger than the sum of its proper divisors (5246023).

53439353 is a wasteful number, since it uses less digits than its factorization.

53439353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32335.

The product of its digits is 72900, while the sum is 35.

The square root of 53439353 is about 7310.2225000338. Note that the first 3 decimals coincide. The cubic root of 53439353 is about 376.6636672780.

The spelling of 53439353 in words is "fifty-three million, four hundred thirty-nine thousand, three hundred fifty-three".