53265546437 has 2 divisors, whose sum is σ = 53265546438. Its totient is φ = 53265546436.

The previous prime is 53265546407. The next prime is 53265546457. The reversal of 53265546437 is 73464556235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42040991521 + 11224554916 = 205039^2 + 105946^2 .

It is a cyclic number.

It is not a de Polignac number, because 53265546437 - 2²⁰ = 53264497861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53265546407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26632773218 + 26632773219.

It is an arithmetic number, because the mean of its divisors is an integer number (26632773219).

Almost surely, 2^53265546437 is an apocalyptic number.

It is an amenable number.

53265546437 is a deficient number, since it is larger than the sum of its proper divisors (1).

53265546437 is an equidigital number, since it uses as much as digits as its factorization.

53265546437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072000, while the sum is 50.

The spelling of 53265546437 in words is "fifty-three billion, two hundred sixty-five million, five hundred forty-six thousand, four hundred thirty-seven".