53662056515447 has 2 divisors, whose sum is σ = 53662056515448. Its totient is φ = 53662056515446.

The previous prime is 53662056515387. The next prime is 53662056515489. The reversal of 53662056515447 is 74451565026635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53662056515447 - 2³⁰ = 53660982773623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53662056515047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26831028257723 + 26831028257724.

It is an arithmetic number, because the mean of its divisors is an integer number (26831028257724).

Almost surely, 2^{53662056515447} is an apocalyptic number.

53662056515447 is a deficient number, since it is larger than the sum of its proper divisors (1).

53662056515447 is an equidigital number, since it uses as much as digits as its factorization.

53662056515447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720000, while the sum is 59.

The spelling of 53662056515447 in words is "fifty-three trillion, six hundred sixty-two billion, fifty-six million, five hundred fifteen thousand, four hundred forty-seven".