51326456 has 8 divisors (see below), whose sum is σ = 96237120. Its totient is φ = 25663224.

The previous prime is 51326449. The next prime is 51326503. The reversal of 51326456 is 65462315.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3207896 + ... + 3207911.

It is an arithmetic number, because the mean of its divisors is an integer number (12029640).

Almost surely, 2^51326456 is an apocalyptic number.

It is an amenable number.

51326456 is a deficient number, since it is larger than the sum of its proper divisors (44910664).

51326456 is a wasteful number, since it uses less digits than its factorization.

51326456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6415813 (or 6415809 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 51326456 is about 7164.2484602364. The cubic root of 51326456 is about 371.6325619958.

The spelling of 51326456 in words is "fifty-one million, three hundred twenty-six thousand, four hundred fifty-six".