53261258357 has 2 divisors, whose sum is σ = 53261258358. Its totient is φ = 53261258356.

The previous prime is 53261258327. The next prime is 53261258411. The reversal of 53261258357 is 75385216235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49110548881 + 4150709476 = 221609^2 + 64426^2 .

It is a cyclic number.

It is not a de Polignac number, because 53261258357 - 2⁸ = 53261258101 is a prime.

It is a super-2 number, since 2×53261258357² (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 (53261258327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26630629178 + 26630629179.

It is an arithmetic number, because the mean of its divisors is an integer number (26630629179).

Almost surely, 2^53261258357 is an apocalyptic number.

It is an amenable number.

53261258357 is a deficient number, since it is larger than the sum of its proper divisors (1).

53261258357 is an equidigital number, since it uses as much as digits as its factorization.

53261258357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 47.

The spelling of 53261258357 in words is "fifty-three billion, two hundred sixty-one million, two hundred fifty-eight thousand, three hundred fifty-seven".