53213532133 has 2 divisors, whose sum is σ = 53213532134. Its totient is φ = 53213532132.

The previous prime is 53213532091. The next prime is 53213532157. The reversal of 53213532133 is 33123531235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48209667489 + 5003864644 = 219567^2 + 70738^2 .

It is a cyclic number.

It is not a de Polignac number, because 53213532133 - 2²⁵ = 53179977701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53213532095 and 53213532104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53213532193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26606766066 + 26606766067.

It is an arithmetic number, because the mean of its divisors is an integer number (26606766067).

Almost surely, 2^53213532133 is an apocalyptic number.

It is an amenable number.

53213532133 is a deficient number, since it is larger than the sum of its proper divisors (1).

53213532133 is an equidigital number, since it uses as much as digits as its factorization.

53213532133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 31.

The spelling of 53213532133 in words is "fifty-three billion, two hundred thirteen million, five hundred thirty-two thousand, one hundred thirty-three".