51606512 has 10 divisors (see below), whose sum is σ = 99987648. Its totient is φ = 25803248.

The previous prime is 51606491. The next prime is 51606521. The reversal of 51606512 is 21560615.

It is a super-2 number, since 2×51606512² = 5326464161612288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612688 + ... + 1612719.

Almost surely, 2^51606512 is an apocalyptic number.

It is an amenable number.

51606512 is a deficient number, since it is larger than the sum of its proper divisors (48381136).

51606512 is a wasteful number, since it uses less digits than its factorization.

51606512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225415 (or 3225409 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 51606512 is about 7183.7672568089. The cubic root of 51606512 is about 372.3072576129.

The spelling of 51606512 in words is "fifty-one million, six hundred six thousand, five hundred twelve".