51641794 has 8 divisors (see below), whose sum is σ = 77629968. Its totient is φ = 25765140.

The previous prime is 51641789. The next prime is 51641797. The reversal of 51641794 is 49714615.

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

It is not an unprimeable number, because it can be changed into a prime (51641797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26712 + ... + 28579.

It is an arithmetic number, because the mean of its divisors is an integer number (9703746).

Almost surely, 2^51641794 is an apocalyptic number.

51641794 is a deficient number, since it is larger than the sum of its proper divisors (25988174).

51641794 is a wasteful number, since it uses less digits than its factorization.

51641794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55760.

The product of its digits is 30240, while the sum is 37.

The square root of 51641794 is about 7186.2225125583. Note that the first 3 decimals coincide. The cubic root of 51641794 is about 372.3920838087.

The spelling of 51641794 in words is "fifty-one million, six hundred forty-one thousand, seven hundred ninety-four".