53551540244231 has 2 divisors, whose sum is σ = 53551540244232. Its totient is φ = 53551540244230.

The previous prime is 53551540244107. The next prime is 53551540244239. The reversal of 53551540244231 is 13244204515535.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53551540244231 - 2¹⁰ = 53551540243207 is a prime.

It is a super-2 number, since 2×53551540244231² (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 (53551540244239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26775770122115 + 26775770122116.

It is an arithmetic number, because the mean of its divisors is an integer number (26775770122116).

Almost surely, 2^{53551540244231} is an apocalyptic number.

53551540244231 is a deficient number, since it is larger than the sum of its proper divisors (1).

53551540244231 is an equidigital number, since it uses as much as digits as its factorization.

53551540244231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 53551540244231 its reverse (13244204515535), we get a palindrome (66795744759766).

The spelling of 53551540244231 in words is "fifty-three trillion, five hundred fifty-one billion, five hundred forty million, two hundred forty-four thousand, two hundred thirty-one".