53947043 has 4 divisors (see below), whose sum is σ = 54442080. Its totient is φ = 53452008.

The previous prime is 53947039. The next prime is 53947051. The reversal of 53947043 is 34074935.

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

It is a cyclic number.

It is not a de Polignac number, because 53947043 - 2² = 53947039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53946994 and 53947012.

It is not an unprimeable number, because it can be changed into a prime (53947093) 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, 247355 + ... + 247572.

It is an arithmetic number, because the mean of its divisors is an integer number (13610520).

Almost surely, 2^53947043 is an apocalyptic number.

53947043 is a deficient number, since it is larger than the sum of its proper divisors (495037).

53947043 is a wasteful number, since it uses less digits than its factorization.

53947043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495036.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 53947043 is about 7344.8650770453. The cubic root of 53947043 is about 377.8527159649.

The spelling of 53947043 in words is "fifty-three million, nine hundred forty-seven thousand, forty-three".