52321043 has 4 divisors (see below), whose sum is σ = 53597208. Its totient is φ = 51044880.

The previous prime is 52321001. The next prime is 52321057. The reversal of 52321043 is 34012325.

It is a happy number.

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 52321043 - 2¹⁰ = 52320019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52321543) 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, 638021 + ... + 638102.

It is an arithmetic number, because the mean of its divisors is an integer number (13399302).

Almost surely, 2^52321043 is an apocalyptic number.

52321043 is a deficient number, since it is larger than the sum of its proper divisors (1276165).

52321043 is a wasteful number, since it uses less digits than its factorization.

52321043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276164.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 52321043 is about 7233.3286251905. The cubic root of 52321043 is about 374.0176791094.

Adding to 52321043 its reverse (34012325), we get a palindrome (86333368).

The spelling of 52321043 in words is "fifty-two million, three hundred twenty-one thousand, forty-three".