53204404321 has 8 divisors (see below), whose sum is σ = 53703533664. Its totient is φ = 52706684160.

The previous prime is 53204404307. The next prime is 53204404373. The reversal of 53204404321 is 12340440235.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 53204404321 - 2³⁵ = 18844665953 is a prime.

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 53204404321.

It is not an unprimeable number, because it can be changed into a prime (53204404391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276355 + ... + 427528.

It is an arithmetic number, because the mean of its divisors is an integer number (6712941708).

Almost surely, 2^53204404321 is an apocalyptic number.

It is an amenable number.

53204404321 is a deficient number, since it is larger than the sum of its proper divisors (499129343).

53204404321 is a wasteful number, since it uses less digits than its factorization.

53204404321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704591.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 53204404321 its reverse (12340440235), we get a palindrome (65544844556).

The spelling of 53204404321 in words is "fifty-three billion, two hundred four million, four hundred four thousand, three hundred twenty-one".