53120479397 has 2 divisors, whose sum is σ = 53120479398. Its totient is φ = 53120479396.

The previous prime is 53120479393. The next prime is 53120479483. The reversal of 53120479397 is 79397402135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53098445761 + 22033636 = 230431^2 + 4694^2 .

It is a cyclic number.

It is not a de Polignac number, because 53120479397 - 2² = 53120479393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53120479393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26560239698 + 26560239699.

It is an arithmetic number, because the mean of its divisors is an integer number (26560239699).

Almost surely, 2^53120479397 is an apocalyptic number.

It is an amenable number.

53120479397 is a deficient number, since it is larger than the sum of its proper divisors (1).

53120479397 is an equidigital number, since it uses as much as digits as its factorization.

53120479397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The spelling of 53120479397 in words is "fifty-three billion, one hundred twenty million, four hundred seventy-nine thousand, three hundred ninety-seven".