53520404626457 has 2 divisors, whose sum is σ = 53520404626458. Its totient is φ = 53520404626456.

The previous prime is 53520404626433. The next prime is 53520404626459. The reversal of 53520404626457 is 75462640402535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40871420741776 + 12648983884681 = 6393076^2 + 3556541^2 .

It is a cyclic number.

It is not a de Polignac number, because 53520404626457 - 2³⁰ = 53519330884633 is a prime.

It is a super-2 number, since 2×53520404626457² (a number of 28 digits) contains 22 as substring.

Together with 53520404626459, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53520404626399 and 53520404626408.

It is not a weakly prime, because it can be changed into another prime (53520404626459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26760202313228 + 26760202313229.

It is an arithmetic number, because the mean of its divisors is an integer number (26760202313229).

Almost surely, 2^{53520404626457} is an apocalyptic number.

It is an amenable number.

53520404626457 is a deficient number, since it is larger than the sum of its proper divisors (1).

53520404626457 is an equidigital number, since it uses as much as digits as its factorization.

53520404626457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192000, while the sum is 53.

The spelling of 53520404626457 in words is "fifty-three trillion, five hundred twenty billion, four hundred four million, six hundred twenty-six thousand, four hundred fifty-seven".