51086488 has 32 divisors (see below), whose sum is σ = 99027360. Its totient is φ = 24693760.

The previous prime is 51086467. The next prime is 51086491. The reversal of 51086488 is 88468015.

It is a self number, because there is not a number n which added to its sum of digits gives 51086488.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29256 + ... + 30952.

It is an arithmetic number, because the mean of its divisors is an integer number (3094605).

Almost surely, 2^51086488 is an apocalyptic number.

It is an amenable number.

51086488 is a deficient number, since it is larger than the sum of its proper divisors (47940872).

51086488 is a wasteful number, since it uses less digits than its factorization.

51086488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 51086488 is about 7147.4812346728. The cubic root of 51086488 is about 371.0524890438.

The spelling of 51086488 in words is "fifty-one million, eighty-six thousand, four hundred eighty-eight".