53143339 has 8 divisors (see below), whose sum is σ = 54682992. Its totient is φ = 51615360.

The previous prime is 53143333. The next prime is 53143367. The reversal of 53143339 is 93334135.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53143339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53143339.

It is not an unprimeable number, because it can be changed into a prime (53143333) 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, 6772 + ... + 12334.

It is an arithmetic number, because the mean of its divisors is an integer number (6835374).

Almost surely, 2^53143339 is an apocalyptic number.

53143339 is a deficient number, since it is larger than the sum of its proper divisors (1539653).

53143339 is a wasteful number, since it uses less digits than its factorization.

53143339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5837.

The product of its digits is 14580, while the sum is 31.

The square root of 53143339 is about 7289.9478050258. The cubic root of 53143339 is about 375.9669009456.

The spelling of 53143339 in words is "fifty-three million, one hundred forty-three thousand, three hundred thirty-nine".