53294217481 has 2 divisors, whose sum is σ = 53294217482. Its totient is φ = 53294217480.

The previous prime is 53294217467. The next prime is 53294217491. The reversal of 53294217481 is 18471249235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41109590025 + 12184627456 = 202755^2 + 110384^2 .

It is a cyclic number.

It is not a de Polignac number, because 53294217481 - 2²³ = 53285828873 is a prime.

It is a super-2 number, since 2×53294217481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53294217421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26647108740 + 26647108741.

It is an arithmetic number, because the mean of its divisors is an integer number (26647108741).

Almost surely, 2^53294217481 is an apocalyptic number.

It is an amenable number.

53294217481 is a deficient number, since it is larger than the sum of its proper divisors (1).

53294217481 is an equidigital number, since it uses as much as digits as its factorization.

53294217481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The spelling of 53294217481 in words is "fifty-three billion, two hundred ninety-four million, two hundred seventeen thousand, four hundred eighty-one".