51788672 has 32 divisors (see below), whose sum is σ = 111112680. Its totient is φ = 23901696.

The previous prime is 51788657. The next prime is 51788683. The reversal of 51788672 is 27688715.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

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, 13898 + ... + 17225.

Almost surely, 2^51788672 is an apocalyptic number.

51788672 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51788672 is an abundant number, since it is smaller than the sum of its proper divisors (59324008).

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

51788672 is a wasteful number, since it uses less digits than its factorization.

51788672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31150 (or 31138 counting only the distinct ones).

The product of its digits is 188160, while the sum is 44.

The square root of 51788672 is about 7196.4346728085. The cubic root of 51788672 is about 372.7447983251.

The spelling of 51788672 in words is "fifty-one million, seven hundred eighty-eight thousand, six hundred seventy-two".