51586774 has 16 divisors (see below), whose sum is σ = 79472736. Its totient is φ = 25099200.

The previous prime is 51586771. The next prime is 51586783. The reversal of 51586774 is 47768515.

51586774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×51586774³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 51586774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51586771) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 51244 + ... + 52240.

It is an arithmetic number, because the mean of its divisors is an integer number (4967046).

Almost surely, 2^51586774 is an apocalyptic number.

51586774 is a deficient number, since it is larger than the sum of its proper divisors (27885962).

51586774 is a wasteful number, since it uses less digits than its factorization.

51586774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671.

The product of its digits is 235200, while the sum is 43.

The square root of 51586774 is about 7182.3933337015. The cubic root of 51586774 is about 372.2597859700.

The spelling of 51586774 in words is "fifty-one million, five hundred eighty-six thousand, seven hundred seventy-four".