52502304421 has 8 divisors (see below), whose sum is σ = 60216168384. Its totient is φ = 44841824160.

The previous prime is 52502304383. The next prime is 52502304427. The reversal of 52502304421 is 12440320525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52502304421 - 2³¹ = 50354820773 is a prime.

It is a super-2 number, since 2×52502304421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52502304421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52502304427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13343815 + ... + 13347748.

It is an arithmetic number, because the mean of its divisors is an integer number (7527021048).

Almost surely, 2^52502304421 is an apocalyptic number.

It is an amenable number.

52502304421 is a deficient number, since it is larger than the sum of its proper divisors (7713863963).

52502304421 is a wasteful number, since it uses less digits than its factorization.

52502304421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26691851.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 52502304421 its reverse (12440320525), we get a palindrome (64942624946).

The spelling of 52502304421 in words is "fifty-two billion, five hundred two million, three hundred four thousand, four hundred twenty-one".