52331551 has 2 divisors, whose sum is σ = 52331552. Its totient is φ = 52331550.

The previous prime is 52331549. The next prime is 52331561. The reversal of 52331551 is 15513325.

52331551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52331551 - 2¹ = 52331549 is a prime.

Together with 52331549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52331561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26165775 + 26165776.

It is an arithmetic number, because the mean of its divisors is an integer number (26165776).

Almost surely, 2^52331551 is an apocalyptic number.

52331551 is a deficient number, since it is larger than the sum of its proper divisors (1).

52331551 is an equidigital number, since it uses as much as digits as its factorization.

52331551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2250, while the sum is 25.

The square root of 52331551 is about 7234.0549486439. The cubic root of 52331551 is about 374.0427162931.

Adding to 52331551 its reverse (15513325), we get a palindrome (67844876).

The spelling of 52331551 in words is "fifty-two million, three hundred thirty-one thousand, five hundred fifty-one".