51219794 has 8 divisors (see below), whose sum is σ = 78616560. Its totient is φ = 25014276.

The previous prime is 51219769. The next prime is 51219823. The reversal of 51219794 is 49791215.

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, 297704 + ... + 297875.

It is an arithmetic number, because the mean of its divisors is an integer number (9827070).

Almost surely, 2^51219794 is an apocalyptic number.

51219794 is a deficient number, since it is larger than the sum of its proper divisors (27396766).

51219794 is a wasteful number, since it uses less digits than its factorization.

51219794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595624.

The product of its digits is 22680, while the sum is 38.

The square root of 51219794 is about 7156.8005421417. The cubic root of 51219794 is about 371.3749524037.

The spelling of 51219794 in words is "fifty-one million, two hundred nineteen thousand, seven hundred ninety-four".