53023215305 has 8 divisors (see below), whose sum is σ = 67370673672. Its totient is φ = 39923362048.

The previous prime is 53023215293. The next prime is 53023215313. The reversal of 53023215305 is 50351232035.

It can be written as a sum of positive squares in 4 ways, for example, as 3968496016 + 49054719289 = 62996^2 + 221483^2 .

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 53023215305 - 2¹⁸ = 53022953161 is a prime.

It is a super-2 number, since 2×53023215305² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 311901182 + ... + 311901351.

It is an arithmetic number, because the mean of its divisors is an integer number (8421334209).

Almost surely, 2^53023215305 is an apocalyptic number.

It is an amenable number.

53023215305 is a deficient number, since it is larger than the sum of its proper divisors (14347458367).

53023215305 is a wasteful number, since it uses less digits than its factorization.

53023215305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623802555.

The product of its (nonzero) digits is 13500, while the sum is 29.

The spelling of 53023215305 in words is "fifty-three billion, twenty-three million, two hundred fifteen thousand, three hundred five".