51146498 has 18 divisors (see below), whose sum is σ = 83289339. Its totient is φ = 23545392.

The previous prime is 51146477. The next prime is 51146533. The reversal of 51146498 is 89464115.

It can be written as a sum of positive squares in 5 ways, for example, as 693889 + 50452609 = 833^2 + 7103^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5057.

It is a Duffinian number.

It is an unprimeable number.

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 in 8 ways as a sum of consecutive naturals, for example, 131288 + ... + 131676.

Almost surely, 2^51146498 is an apocalyptic number.

51146498 is a deficient number, since it is larger than the sum of its proper divisors (32142841).

51146498 is an equidigital number, since it uses as much as digits as its factorization.

51146498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 404 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 51146498 is about 7151.6779849207. The cubic root of 51146498 is about 371.1977208370.

The spelling of 51146498 in words is "fifty-one million, one hundred forty-six thousand, four hundred ninety-eight".