51656206 has 16 divisors (see below), whose sum is σ = 92404224. Its totient is φ = 21175704.

The previous prime is 51656197. The next prime is 51656233. The reversal of 51656206 is 60265615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79890 + ... + 80533.

It is an arithmetic number, because the mean of its divisors is an integer number (5775264).

Almost surely, 2^51656206 is an apocalyptic number.

51656206 is a deficient number, since it is larger than the sum of its proper divisors (40748018).

51656206 is a wasteful number, since it uses less digits than its factorization.

51656206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160455.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 51656206 is about 7187.2251947466. The cubic root of 51656206 is about 372.4267225197.

The spelling of 51656206 in words is "fifty-one million, six hundred fifty-six thousand, two hundred six".