52100545493 has 2 divisors, whose sum is σ = 52100545494. Its totient is φ = 52100545492.

The previous prime is 52100545489. The next prime is 52100545501. The reversal of 52100545493 is 39454500125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50966674564 + 1133870929 = 225758^2 + 33673^2 .

It is a cyclic number.

It is not a de Polignac number, because 52100545493 - 2² = 52100545489 is a prime.

It is a super-2 number, since 2×52100545493² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52100545423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26050272746 + 26050272747.

It is an arithmetic number, because the mean of its divisors is an integer number (26050272747).

Almost surely, 2^52100545493 is an apocalyptic number.

It is an amenable number.

52100545493 is a deficient number, since it is larger than the sum of its proper divisors (1).

52100545493 is an equidigital number, since it uses as much as digits as its factorization.

52100545493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 52100545493 in words is "fifty-two billion, one hundred million, five hundred forty-five thousand, four hundred ninety-three".