51846469 has 2 divisors, whose sum is σ = 51846470. Its totient is φ = 51846468.

The previous prime is 51846463. The next prime is 51846503. The reversal of 51846469 is 96464815.

51846469 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 can be written as a sum of positive squares in only one way, i.e., 39526369 + 12320100 = 6287^2 + 3510^2 .

It is a cyclic number.

It is not a de Polignac number, because 51846469 - 2⁵ = 51846437 is a prime.

It is a super-2 number, since 2×51846469² = 5376112695535922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51846463) 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, 25923234 + 25923235.

It is an arithmetic number, because the mean of its divisors is an integer number (25923235).

Almost surely, 2^51846469 is an apocalyptic number.

It is an amenable number.

51846469 is a deficient number, since it is larger than the sum of its proper divisors (1).

51846469 is an equidigital number, since it uses as much as digits as its factorization.

51846469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 51846469 is about 7200.4492220972. The cubic root of 51846469 is about 372.8834098588.

The spelling of 51846469 in words is "fifty-one million, eight hundred forty-six thousand, four hundred sixty-nine".