51885706 has 8 divisors (see below), whose sum is σ = 77948640. Its totient is φ = 25902828.

The previous prime is 51885703. The next prime is 51885733. The reversal of 51885706 is 60758815.

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 (51885703) 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, 18366 + ... + 21001.

It is an arithmetic number, because the mean of its divisors is an integer number (9743580).

Almost surely, 2^51885706 is an apocalyptic number.

51885706 is a deficient number, since it is larger than the sum of its proper divisors (26062934).

51885706 is a wasteful number, since it uses less digits than its factorization.

51885706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40028.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 51885706 is about 7203.1733284713. The cubic root of 51885706 is about 372.9774512169.

The spelling of 51885706 in words is "fifty-one million, eight hundred eighty-five thousand, seven hundred six".