51186026 has 8 divisors (see below), whose sum is σ = 76816740. Its totient is φ = 25580448.

The previous prime is 51186011. The next prime is 51186043. The reversal of 51186026 is 62068115.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45900625 + 5285401 = 6775^2 + 2299^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 51186026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110 + ... + 10118.

Almost surely, 2^51186026 is an apocalyptic number.

51186026 is a deficient number, since it is larger than the sum of its proper divisors (25630714).

51186026 is a wasteful number, since it uses less digits than its factorization.

51186026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12568.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 51186026 is about 7154.4409984289. The cubic root of 51186026 is about 371.2933215515.

The spelling of 51186026 in words is "fifty-one million, one hundred eighty-six thousand, twenty-six".