53939343 has 4 divisors (see below), whose sum is σ = 71919128. Its totient is φ = 35959560.

The previous prime is 53939321. The next prime is 53939359. The reversal of 53939343 is 34393935.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53939343 - 2⁶ = 53939279 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 (53939363) 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, 8989888 + ... + 8989893.

It is an arithmetic number, because the mean of its divisors is an integer number (17979782).

Almost surely, 2^53939343 is an apocalyptic number.

53939343 is a deficient number, since it is larger than the sum of its proper divisors (17979785).

53939343 is a wasteful number, since it uses less digits than its factorization.

53939343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17979784.

The product of its digits is 131220, while the sum is 39.

The square root of 53939343 is about 7344.3408826116. The cubic root of 53939343 is about 377.8347378134.

The spelling of 53939343 in words is "fifty-three million, nine hundred thirty-nine thousand, three hundred forty-three".