53020451230447 has 2 divisors, whose sum is σ = 53020451230448. Its totient is φ = 53020451230446.

The previous prime is 53020451230403. The next prime is 53020451230463. The reversal of 53020451230447 is 74403215402035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53020451230447 - 2¹⁹ = 53020450706159 is a prime.

It is a super-2 number, since 2×53020451230447² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53020451234447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26510225615223 + 26510225615224.

It is an arithmetic number, because the mean of its divisors is an integer number (26510225615224).

Almost surely, 2^{53020451230447} is an apocalyptic number.

53020451230447 is a deficient number, since it is larger than the sum of its proper divisors (1).

53020451230447 is an equidigital number, since it uses as much as digits as its factorization.

53020451230447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 40.

The spelling of 53020451230447 in words is "fifty-three trillion, twenty billion, four hundred fifty-one million, two hundred thirty thousand, four hundred forty-seven".