52204540421 has 16 divisors (see below), whose sum is σ = 60433758720. Its totient is φ = 44625828720.

The previous prime is 52204540417. The next prime is 52204540469. The reversal of 52204540421 is 12404540225.

It is not a de Polignac number, because 52204540421 - 2² = 52204540417 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 (52204540411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1733735 + ... + 1763588.

It is an arithmetic number, because the mean of its divisors is an integer number (3777109920).

Almost surely, 2^52204540421 is an apocalyptic number.

It is an amenable number.

52204540421 is a deficient number, since it is larger than the sum of its proper divisors (8229218299).

52204540421 is a wasteful number, since it uses less digits than its factorization.

52204540421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497416.

The product of its (nonzero) digits is 12800, while the sum is 29.

The spelling of 52204540421 in words is "fifty-two billion, two hundred four million, five hundred forty thousand, four hundred twenty-one".