53240215204447 has 2 divisors, whose sum is σ = 53240215204448. Its totient is φ = 53240215204446.

The previous prime is 53240215204399. The next prime is 53240215204457. The reversal of 53240215204447 is 74440251204235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53240215204447 - 2²³ = 53240206815839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53240215204457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26620107602223 + 26620107602224.

It is an arithmetic number, because the mean of its divisors is an integer number (26620107602224).

Almost surely, 2^{53240215204447} is an apocalyptic number.

53240215204447 is a deficient number, since it is larger than the sum of its proper divisors (1).

53240215204447 is an equidigital number, since it uses as much as digits as its factorization.

53240215204447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1075200, while the sum is 43.

The spelling of 53240215204447 in words is "fifty-three trillion, two hundred forty billion, two hundred fifteen million, two hundred four thousand, four hundred forty-seven".