52003362366421 has 4 divisors (see below), whose sum is σ = 52047173119392. Its totient is φ = 51959551613452.

The previous prime is 52003362366413. The next prime is 52003362366427. The reversal of 52003362366421 is 12466326330025.

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 52003362366421 - 2³ = 52003362366413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52003362366427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21905374705 + ... + 21905377078.

It is an arithmetic number, because the mean of its divisors is an integer number (13011793279848).

Almost surely, 2^{52003362366421} is an apocalyptic number.

It is an amenable number.

52003362366421 is a deficient number, since it is larger than the sum of its proper divisors (43810752971).

52003362366421 is a wasteful number, since it uses less digits than its factorization.

52003362366421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43810752970.

The product of its (nonzero) digits is 933120, while the sum is 43.

Adding to 52003362366421 its reverse (12466326330025), we get a palindrome (64469688696446).

The spelling of 52003362366421 in words is "fifty-two trillion, three billion, three hundred sixty-two million, three hundred sixty-six thousand, four hundred twenty-one".