53520570322477 has 2 divisors, whose sum is σ = 53520570322478. Its totient is φ = 53520570322476.

The previous prime is 53520570322447. The next prime is 53520570322489. The reversal of 53520570322477 is 77422307502535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29519379714276 + 24001190608201 = 5433174^2 + 4899101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53520570322477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53520570322447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26760285161238 + 26760285161239.

It is an arithmetic number, because the mean of its divisors is an integer number (26760285161239).

Almost surely, 2^{53520570322477} is an apocalyptic number.

It is an amenable number.

53520570322477 is a deficient number, since it is larger than the sum of its proper divisors (1).

53520570322477 is an equidigital number, since it uses as much as digits as its factorization.

53520570322477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348000, while the sum is 52.

The spelling of 53520570322477 in words is "fifty-three trillion, five hundred twenty billion, five hundred seventy million, three hundred twenty-two thousand, four hundred seventy-seven".