51606528 has 88 divisors (see below), whose sum is σ = 139720032. Its totient is φ = 16932864.

The previous prime is 51606523. The next prime is 51606559. The reversal of 51606528 is 82560615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51606521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328626 + ... + 328782.

Almost surely, 2^51606528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51606528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69860016).

51606528 is an abundant number, since it is smaller than the sum of its proper divisors (88113504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51606528 is a wasteful number, since it uses less digits than its factorization.

51606528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 51606528 is about 7183.7683704307. The cubic root of 51606528 is about 372.3072960894.

The spelling of 51606528 in words is "fifty-one million, six hundred six thousand, five hundred twenty-eight".