51946523 has 2 divisors, whose sum is σ = 51946524. Its totient is φ = 51946522.

The previous prime is 51946501. The next prime is 51946553. The reversal of 51946523 is 32564915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51946523 - 2⁶ = 51946459 is a prime.

It is not a weakly prime, because it can be changed into another prime (51946553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25973261 + 25973262.

It is an arithmetic number, because the mean of its divisors is an integer number (25973262).

Almost surely, 2^51946523 is an apocalyptic number.

51946523 is a deficient number, since it is larger than the sum of its proper divisors (1).

51946523 is an equidigital number, since it uses as much as digits as its factorization.

51946523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 51946523 is about 7207.3936343175. The cubic root of 51946523 is about 373.1231208339.

The spelling of 51946523 in words is "fifty-one million, nine hundred forty-six thousand, five hundred twenty-three".