52251334550431 has 2 divisors, whose sum is σ = 52251334550432. Its totient is φ = 52251334550430.

The previous prime is 52251334550381. The next prime is 52251334550447. The reversal of 52251334550431 is 13405543315225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52251334550431 - 2⁹ = 52251334549919 is a prime.

It is a super-2 number, since 2×52251334550431² (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 (52251334850431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26125667275215 + 26125667275216.

It is an arithmetic number, because the mean of its divisors is an integer number (26125667275216).

Almost surely, 2^{52251334550431} is an apocalyptic number.

52251334550431 is a deficient number, since it is larger than the sum of its proper divisors (1).

52251334550431 is an equidigital number, since it uses as much as digits as its factorization.

52251334550431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080000, while the sum is 43.

Adding to 52251334550431 its reverse (13405543315225), we get a palindrome (65656877865656).

The spelling of 52251334550431 in words is "fifty-two trillion, two hundred fifty-one billion, three hundred thirty-four million, five hundred fifty thousand, four hundred thirty-one".