53943793 has 8 divisors (see below), whose sum is σ = 56851200. Its totient is φ = 51043248.

The previous prime is 53943781. The next prime is 53943803. The reversal of 53943793 is 39734935.

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-53943793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53943713) 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, 26355 + ... + 28327.

It is an arithmetic number, because the mean of its divisors is an integer number (7106400).

Almost surely, 2^53943793 is an apocalyptic number.

It is an amenable number.

53943793 is a deficient number, since it is larger than the sum of its proper divisors (2907407).

53943793 is a wasteful number, since it uses less digits than its factorization.

53943793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3431.

The product of its digits is 306180, while the sum is 43.

The square root of 53943793 is about 7344.6438307109. The cubic root of 53943793 is about 377.8451279927.

The spelling of 53943793 in words is "fifty-three million, nine hundred forty-three thousand, seven hundred ninety-three".