51695746 has 8 divisors (see below), whose sum is σ = 77598864. Its totient is φ = 25829460.

The previous prime is 51695681. The next prime is 51695747. The reversal of 51695746 is 64759615.

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 (51695747) 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, 5380 + ... + 11503.

It is an arithmetic number, because the mean of its divisors is an integer number (9699858).

Almost surely, 2^51695746 is an apocalyptic number.

51695746 is a deficient number, since it is larger than the sum of its proper divisors (25903118).

51695746 is a wasteful number, since it uses less digits than its factorization.

51695746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18416.

The product of its digits is 226800, while the sum is 43.

The square root of 51695746 is about 7189.9753824335. The cubic root of 51695746 is about 372.5217223793.

It can be divided in two parts, 51695 and 746, that added together give a square (52441 = 229²).

The spelling of 51695746 in words is "fifty-one million, six hundred ninety-five thousand, seven hundred forty-six".