51655528 has 16 divisors (see below), whose sum is σ = 101952000. Its totient is φ = 24468336.

The previous prime is 51655523. The next prime is 51655561. The reversal of 51655528 is 82555615.

It is not an unprimeable number, because it can be changed into a prime (51655523) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 169768 + ... + 170071.

It is an arithmetic number, because the mean of its divisors is an integer number (6372000).

Almost surely, 2^51655528 is an apocalyptic number.

It is an amenable number.

51655528 is a deficient number, since it is larger than the sum of its proper divisors (50296472).

51655528 is a wasteful number, since it uses less digits than its factorization.

51655528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339864 (or 339860 counting only the distinct ones).

The product of its digits is 60000, while the sum is 37.

The square root of 51655528 is about 7187.1780275710. The cubic root of 51655528 is about 372.4250931161.

The spelling of 51655528 in words is "fifty-one million, six hundred fifty-five thousand, five hundred twenty-eight".