52993243 has 4 divisors (see below), whose sum is σ = 54225688. Its totient is φ = 51760800.

The previous prime is 52993189. The next prime is 52993277. The reversal of 52993243 is 34239925.

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-52993243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52990243) 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, 616158 + ... + 616243.

It is an arithmetic number, because the mean of its divisors is an integer number (13556422).

Almost surely, 2^52993243 is an apocalyptic number.

52993243 is a deficient number, since it is larger than the sum of its proper divisors (1232445).

52993243 is a wasteful number, since it uses less digits than its factorization.

52993243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232444.

The product of its digits is 58320, while the sum is 37.

The square root of 52993243 is about 7279.6458018231. The cubic root of 52993243 is about 375.6126117104.

The spelling of 52993243 in words is "fifty-two million, nine hundred ninety-three thousand, two hundred forty-three".