53027780277547 has 2 divisors, whose sum is σ = 53027780277548. Its totient is φ = 53027780277546.

The previous prime is 53027780277523. The next prime is 53027780277559. The reversal of 53027780277547 is 74577208772035.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53027780277547 is a prime.

It is a super-3 number, since 3×53027780277547³ (a number of 42 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (53027780277517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26513890138773 + 26513890138774.

It is an arithmetic number, because the mean of its divisors is an integer number (26513890138774).

Almost surely, 2^{53027780277547} is an apocalyptic number.

53027780277547 is a deficient number, since it is larger than the sum of its proper divisors (1).

53027780277547 is an equidigital number, since it uses as much as digits as its factorization.

53027780277547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161347200, while the sum is 64.

The spelling of 53027780277547 in words is "fifty-three trillion, twenty-seven billion, seven hundred eighty million, two hundred seventy-seven thousand, five hundred forty-seven".