51494848 has 14 divisors (see below), whose sum is σ = 102185216. Its totient is φ = 25747392.

The previous prime is 51494843. The next prime is 51494851. The reversal of 51494848 is 84849415.

51494848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51494843) 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, 402240 + ... + 402367.

It is an arithmetic number, because the mean of its divisors is an integer number (7298944).

Almost surely, 2^51494848 is an apocalyptic number.

It is an amenable number.

51494848 is a deficient number, since it is larger than the sum of its proper divisors (50690368).

51494848 is an equidigital number, since it uses as much as digits as its factorization.

51494848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804619 (or 804609 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 51494848 is about 7175.9910813768. The cubic root of 51494848 is about 372.0385361088.

The spelling of 51494848 in words is "fifty-one million, four hundred ninety-four thousand, eight hundred forty-eight".