51047888 has 20 divisors (see below), whose sum is σ = 102316740. Its totient is φ = 24643584.

The previous prime is 51047873. The next prime is 51047891. The reversal of 51047888 is 88874015.

51047888 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 2 ways, for example, as 34951744 + 16096144 = 5912^2 + 4012^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 54545 + ... + 55472.

It is an arithmetic number, because the mean of its divisors is an integer number (5115837).

Almost surely, 2^51047888 is an apocalyptic number.

51047888 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

51047888 is an abundant number, since it is smaller than the sum of its proper divisors (51268852).

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

51047888 is a wasteful number, since it uses less digits than its factorization.

51047888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110054 (or 110048 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 51047888 is about 7144.7804724848. The cubic root of 51047888 is about 370.9590120439.

The spelling of 51047888 in words is "fifty-one million, forty-seven thousand, eight hundred eighty-eight".