51586874 has 8 divisors (see below), whose sum is σ = 81932148. Its totient is φ = 24276160.

The previous prime is 51586867. The next prime is 51586877. The reversal of 51586874 is 47868515.

It is a happy number.

51586874 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 48372025 + 3214849 = 6955^2 + 1793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51586874² = 5322411138183752, which contains 22 as substring.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (51586877) 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 3 ways as a sum of consecutive naturals, for example, 758597 + ... + 758664.

Almost surely, 2^51586874 is an apocalyptic number.

51586874 is a deficient number, since it is larger than the sum of its proper divisors (30345274).

51586874 is a wasteful number, since it uses less digits than its factorization.

51586874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517280.

The product of its digits is 268800, while the sum is 44.

The square root of 51586874 is about 7182.4002951660. The cubic root of 51586874 is about 372.2600265094.

The spelling of 51586874 in words is "fifty-one million, five hundred eighty-six thousand, eight hundred seventy-four".