51320794 has 16 divisors (see below), whose sum is σ = 89293248. Its totient is φ = 21665952.

The previous prime is 51320777. The next prime is 51320803. The reversal of 51320794 is 49702315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26419 + ... + 28294.

It is an arithmetic number, because the mean of its divisors is an integer number (5580828).

Almost surely, 2^51320794 is an apocalyptic number.

51320794 is a deficient number, since it is larger than the sum of its proper divisors (37972454).

51320794 is a wasteful number, since it uses less digits than its factorization.

51320794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54789.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 51320794 is about 7163.8532927469. The cubic root of 51320794 is about 371.6188961328.

The spelling of 51320794 in words is "fifty-one million, three hundred twenty thousand, seven hundred ninety-four".