51788126 has 16 divisors (see below), whose sum is σ = 84402864. Its totient is φ = 23689344.

The previous prime is 51788089. The next prime is 51788141. The reversal of 51788126 is 62188715.

It is a self number, because there is not a number n which added to its sum of digits gives 51788126.

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, 5876 + ... + 11751.

It is an arithmetic number, because the mean of its divisors is an integer number (5275179).

Almost surely, 2^51788126 is an apocalyptic number.

51788126 is the 5876-th pentagonal number.

51788126 is a deficient number, since it is larger than the sum of its proper divisors (32614738).

51788126 is a wasteful number, since it uses less digits than its factorization.

51788126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17755.

The product of its digits is 26880, while the sum is 38.

The square root of 51788126 is about 7196.3967372568. The cubic root of 51788126 is about 372.7434883901.

The spelling of 51788126 in words is "fifty-one million, seven hundred eighty-eight thousand, one hundred twenty-six".