51650656 has 12 divisors (see below), whose sum is σ = 101687292. Its totient is φ = 25825312.

The previous prime is 51650633. The next prime is 51650659. The reversal of 51650656 is 65605615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51650659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 807010 + ... + 807073.

It is an arithmetic number, because the mean of its divisors is an integer number (8473941).

Almost surely, 2^51650656 is an apocalyptic number.

It is an amenable number.

51650656 is a deficient number, since it is larger than the sum of its proper divisors (50036636).

51650656 is a wasteful number, since it uses less digits than its factorization.

51650656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614093 (or 1614085 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 51650656 is about 7186.8390826566. The cubic root of 51650656 is about 372.4133840621.

The spelling of 51650656 in words is "fifty-one million, six hundred fifty thousand, six hundred fifty-six".