53380267851457 has 2 divisors, whose sum is σ = 53380267851458. Its totient is φ = 53380267851456.

The previous prime is 53380267851419. The next prime is 53380267851509. The reversal of 53380267851457 is 75415876208335.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37712912695056 + 15667355156401 = 6141084^2 + 3958201^2 .

It is a cyclic number.

It is not a de Polignac number, because 53380267851457 - 2¹⁹ = 53380267327169 is a prime.

It is not a weakly prime, because it can be changed into another prime (53380267855457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26690133925728 + 26690133925729.

It is an arithmetic number, because the mean of its divisors is an integer number (26690133925729).

Almost surely, 2^{53380267851457} is an apocalyptic number.

It is an amenable number.

53380267851457 is a deficient number, since it is larger than the sum of its proper divisors (1).

53380267851457 is an equidigital number, since it uses as much as digits as its factorization.

53380267851457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344000, while the sum is 64.

The spelling of 53380267851457 in words is "fifty-three trillion, three hundred eighty billion, two hundred sixty-seven million, eight hundred fifty-one thousand, four hundred fifty-seven".