53347943 has 4 divisors (see below), whose sum is σ = 58197768. Its totient is φ = 48498120.

The previous prime is 53347939. The next prime is 53347967. The reversal of 53347943 is 34974335.

53347943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53347943 - 2² = 53347939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53347897 and 53347906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53347933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2424896 + ... + 2424917.

It is an arithmetic number, because the mean of its divisors is an integer number (14549442).

Almost surely, 2^53347943 is an apocalyptic number.

53347943 is a deficient number, since it is larger than the sum of its proper divisors (4849825).

53347943 is a wasteful number, since it uses less digits than its factorization.

53347943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849824.

The product of its digits is 136080, while the sum is 38.

The square root of 53347943 is about 7303.9676204102. The cubic root of 53347943 is about 376.4487789713.

The spelling of 53347943 in words is "fifty-three million, three hundred forty-seven thousand, nine hundred forty-three".