52915243 has 4 divisors (see below), whose sum is σ = 53782768. Its totient is φ = 52047720.

The previous prime is 52915211. The next prime is 52915267. The reversal of 52915243 is 34251925.

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 52915243 - 2⁵ = 52915211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52915283) 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, 433671 + ... + 433792.

It is an arithmetic number, because the mean of its divisors is an integer number (13445692).

Almost surely, 2^52915243 is an apocalyptic number.

52915243 is a deficient number, since it is larger than the sum of its proper divisors (867525).

52915243 is an equidigital number, since it uses as much as digits as its factorization.

52915243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867524.

The product of its digits is 10800, while the sum is 31.

The square root of 52915243 is about 7274.2864254853. The cubic root of 52915243 is about 375.4282349349.

The spelling of 52915243 in words is "fifty-two million, nine hundred fifteen thousand, two hundred forty-three".