52739923 has 4 divisors (see below), whose sum is σ = 53633880. Its totient is φ = 51845968.

The previous prime is 52739909. The next prime is 52739927. The reversal of 52739923 is 32993725.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52739923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52739927) 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, 446890 + ... + 447007.

It is an arithmetic number, because the mean of its divisors is an integer number (13408470).

Almost surely, 2^52739923 is an apocalyptic number.

52739923 is a deficient number, since it is larger than the sum of its proper divisors (893957).

52739923 is an equidigital number, since it uses as much as digits as its factorization.

52739923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893956.

The product of its digits is 102060, while the sum is 40.

The square root of 52739923 is about 7262.2257607431. The cubic root of 52739923 is about 375.0131503537.

The spelling of 52739923 in words is "fifty-two million, seven hundred thirty-nine thousand, nine hundred twenty-three".