51888996 has 18 divisors (see below), whose sum is σ = 131163942. Its totient is φ = 17296320.

The previous prime is 51888937. The next prime is 51889007. The reversal of 51888996 is 69988815.

51888996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 43560000 + 8328996 = 6600^2 + 2886^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 720645 + ... + 720716.

Almost surely, 2^51888996 is an apocalyptic number.

It is an amenable number.

51888996 is an abundant number, since it is smaller than the sum of its proper divisors (79274946).

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

51888996 is a wasteful number, since it uses less digits than its factorization.

51888996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441371 (or 1441366 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 54.

The square root of 51888996 is about 7203.4016964209. The cubic root of 51888996 is about 372.9853343763.

The spelling of 51888996 in words is "fifty-one million, eight hundred eighty-eight thousand, nine hundred ninety-six".