51628064 has 24 divisors (see below), whose sum is σ = 102187008. Its totient is φ = 25675840.

The previous prime is 51628019. The next prime is 51628067. The reversal of 51628064 is 46082615.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 51628064.

It is not an unprimeable number, because it can be changed into a prime (51628067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1889 + ... + 10335.

It is an arithmetic number, because the mean of its divisors is an integer number (4257792).

Almost surely, 2^51628064 is an apocalyptic number.

It is an amenable number.

51628064 is a deficient number, since it is larger than the sum of its proper divisors (50558944).

51628064 is a wasteful number, since it uses less digits than its factorization.

51628064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648 (or 8640 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 51628064 is about 7185.2671488261. The cubic root of 51628064 is about 372.3590782648.

The spelling of 51628064 in words is "fifty-one million, six hundred twenty-eight thousand, sixty-four".