53940073 has 4 divisors (see below), whose sum is σ = 58843728. Its totient is φ = 49036420.

The previous prime is 53940071. The next prime is 53940077. The reversal of 53940073 is 37004935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53940073 - 2¹ = 53940071 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53940071) 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, 2451811 + ... + 2451832.

It is an arithmetic number, because the mean of its divisors is an integer number (14710932).

Almost surely, 2^53940073 is an apocalyptic number.

It is an amenable number.

53940073 is a deficient number, since it is larger than the sum of its proper divisors (4903655).

53940073 is a wasteful number, since it uses less digits than its factorization.

53940073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903654.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 53940073 is about 7344.3905805724. The cubic root of 53940073 is about 377.8364423089.

The spelling of 53940073 in words is "fifty-three million, nine hundred forty thousand, seventy-three".