53321021205 has 32 divisors (see below), whose sum is σ = 85683964800. Its totient is φ = 28314703872.

The previous prime is 53321021189. The next prime is 53321021209. The reversal of 53321021205 is 50212012335.

It is a happy number.

53321021205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53321021205 - 2⁴ = 53321021189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53321021209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3347901 + ... + 3363789.

It is an arithmetic number, because the mean of its divisors is an integer number (2677623900).

Almost surely, 2^53321021205 is an apocalyptic number.

It is an amenable number.

53321021205 is a deficient number, since it is larger than the sum of its proper divisors (32362943595).

53321021205 is a wasteful number, since it uses less digits than its factorization.

53321021205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16853.

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 53321021205 in words is "fifty-three billion, three hundred twenty-one million, twenty-one thousand, two hundred five".