51616612 has 12 divisors (see below), whose sum is σ = 93243136. Its totient is φ = 24975720.

The previous prime is 51616583. The next prime is 51616667. The reversal of 51616612 is 21661615.

51616612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208008 + ... + 208255.

Almost surely, 2^51616612 is an apocalyptic number.

It is an amenable number.

51616612 is a deficient number, since it is larger than the sum of its proper divisors (41626524).

51616612 is a wasteful number, since it uses less digits than its factorization.

51616612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416298 (or 416296 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 51616612 is about 7184.4701961940. The cubic root of 51616612 is about 372.3315443284.

The spelling of 51616612 in words is "fifty-one million, six hundred sixteen thousand, six hundred twelve".