53220242205 has 24 divisors (see below), whose sum is σ = 99344453208. Its totient is φ = 26200734336.

The previous prime is 53220242137. The next prime is 53220242209. The reversal of 53220242205 is 50224202235.

53220242205 is a `hidden beast` number, since 5 + 32 + 202 + 422 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1041804729 + 52178437476 = 32277^2 + 228426^2 .

It is not a de Polignac number, because 53220242205 - 2⁹ = 53220241693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53220242209) 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 23 ways as a sum of consecutive naturals, for example, 45486802 + ... + 45487971.

It is an arithmetic number, because the mean of its divisors is an integer number (4139352217).

Almost surely, 2^53220242205 is an apocalyptic number.

It is an amenable number.

53220242205 is a deficient number, since it is larger than the sum of its proper divisors (46124211003).

53220242205 is a wasteful number, since it uses less digits than its factorization.

53220242205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90974797 (or 90974794 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The spelling of 53220242205 in words is "fifty-three billion, two hundred twenty million, two hundred forty-two thousand, two hundred five".