52266420551 has 2 divisors, whose sum is σ = 52266420552. Its totient is φ = 52266420550.

The previous prime is 52266420533. The next prime is 52266420553. The reversal of 52266420551 is 15502466225.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52266420551 - 2¹⁸ = 52266158407 is a prime.

It is a Sophie Germain prime.

Together with 52266420553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52266420553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26133210275 + 26133210276.

It is an arithmetic number, because the mean of its divisors is an integer number (26133210276).

Almost surely, 2^52266420551 is an apocalyptic number.

52266420551 is a deficient number, since it is larger than the sum of its proper divisors (1).

52266420551 is an equidigital number, since it uses as much as digits as its factorization.

52266420551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 52266420551 its reverse (15502466225), we get a palindrome (67768886776).

The spelling of 52266420551 in words is "fifty-two billion, two hundred sixty-six million, four hundred twenty thousand, five hundred fifty-one".