51440794 has 8 divisors (see below), whose sum is σ = 77192640. Its totient is φ = 25709916.

The previous prime is 51440783. The next prime is 51440801. The reversal of 51440794 is 49704415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4557 + ... + 11119.

It is an arithmetic number, because the mean of its divisors is an integer number (9649080).

Almost surely, 2^51440794 is an apocalyptic number.

51440794 is a deficient number, since it is larger than the sum of its proper divisors (25751846).

51440794 is a wasteful number, since it uses less digits than its factorization.

51440794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10484.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 51440794 is about 7172.2237834580. The cubic root of 51440794 is about 371.9083145919.

The spelling of 51440794 in words is "fifty-one million, four hundred forty thousand, seven hundred ninety-four".