52206551 has 2 divisors, whose sum is σ = 52206552. Its totient is φ = 52206550.

The previous prime is 52206493. The next prime is 52206587. The reversal of 52206551 is 15560225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52206551 - 2⁶ = 52206487 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52206551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52206151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26103275 + 26103276.

It is an arithmetic number, because the mean of its divisors is an integer number (26103276).

Almost surely, 2^52206551 is an apocalyptic number.

52206551 is a deficient number, since it is larger than the sum of its proper divisors (1).

52206551 is an equidigital number, since it uses as much as digits as its factorization.

52206551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 52206551 is about 7225.4100921678. The cubic root of 52206551 is about 373.7446640029.

Adding to 52206551 its reverse (15560225), we get a palindrome (67766776).

The spelling of 52206551 in words is "fifty-two million, two hundred six thousand, five hundred fifty-one".