51057886 has 36 divisors (see below), whose sum is σ = 87275664. Its totient is φ = 22375320.

The previous prime is 51057841. The next prime is 51057901. The reversal of 51057886 is 68875015.

51057886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 17 ways as a sum of consecutive naturals, for example, 762025 + ... + 762091.

It is an arithmetic number, because the mean of its divisors is an integer number (2424324).

Almost surely, 2^51057886 is an apocalyptic number.

51057886 is a deficient number, since it is larger than the sum of its proper divisors (36217778).

51057886 is a wasteful number, since it uses less digits than its factorization.

51057886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 51057886 is about 7145.4801098317. The cubic root of 51057886 is about 370.9832285606.

The spelling of 51057886 in words is "fifty-one million, fifty-seven thousand, eight hundred eighty-six".