52542534213 has 24 divisors (see below), whose sum is σ = 81743902968. Its totient is φ = 32329487232.

The previous prime is 52542534181. The next prime is 52542534221. The reversal of 52542534213 is 31243524525.

52542534213 is a `hidden beast` number, since 52 + 54 + 2 + 534 + 21 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3230558244 + 49311975969 = 56838^2 + 222063^2 .

It is not a de Polignac number, because 52542534213 - 2⁵ = 52542534181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52542534313) 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 in 23 ways as a sum of consecutive naturals, for example, 979731 + ... + 1031967.

It is an arithmetic number, because the mean of its divisors is an integer number (3405995957).

Almost surely, 2^52542534213 is an apocalyptic number.

It is an amenable number.

52542534213 is a deficient number, since it is larger than the sum of its proper divisors (29201368755).

52542534213 is a wasteful number, since it uses less digits than its factorization.

52542534213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60853 (or 60850 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The spelling of 52542534213 in words is "fifty-two billion, five hundred forty-two million, five hundred thirty-four thousand, two hundred thirteen".