53675537281 has 2 divisors, whose sum is σ = 53675537282. Its totient is φ = 53675537280.

The previous prime is 53675537273. The next prime is 53675537297. The reversal of 53675537281 is 18273557635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34254606400 + 19420930881 = 185080^2 + 139359^2 .

It is a cyclic number.

It is not a de Polignac number, because 53675537281 - 2³ = 53675537273 is a prime.

It is a super-2 number, since 2×53675537281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53675537221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26837768640 + 26837768641.

It is an arithmetic number, because the mean of its divisors is an integer number (26837768641).

Almost surely, 2^53675537281 is an apocalyptic number.

It is an amenable number.

53675537281 is a deficient number, since it is larger than the sum of its proper divisors (1).

53675537281 is an equidigital number, since it uses as much as digits as its factorization.

53675537281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292000, while the sum is 52.

The spelling of 53675537281 in words is "fifty-three billion, six hundred seventy-five million, five hundred thirty-seven thousand, two hundred eighty-one".