53544412231 has 2 divisors, whose sum is σ = 53544412232. Its totient is φ = 53544412230.

The previous prime is 53544412157. The next prime is 53544412277. The reversal of 53544412231 is 13221444535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53544412231 - 2²⁷ = 53410194503 is a prime.

It is a super-2 number, since 2×53544412231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53544412531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26772206115 + 26772206116.

It is an arithmetic number, because the mean of its divisors is an integer number (26772206116).

Almost surely, 2^53544412231 is an apocalyptic number.

53544412231 is a deficient number, since it is larger than the sum of its proper divisors (1).

53544412231 is an equidigital number, since it uses as much as digits as its factorization.

53544412231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 34.

Adding to 53544412231 its reverse (13221444535), we get a palindrome (66765856766).

The spelling of 53544412231 in words is "fifty-three billion, five hundred forty-four million, four hundred twelve thousand, two hundred thirty-one".