51026146 has 8 divisors (see below), whose sum is σ = 81041580. Its totient is φ = 24012288.

The previous prime is 51026141. The next prime is 51026147. The reversal of 51026146 is 64162015.

It can be written as a sum of positive squares in 2 ways, for example, as 37957921 + 13068225 = 6161^2 + 3615^2 .

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

It is a super-3 number, since 3×51026146³ (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 51026146.

It is not an unprimeable number, because it can be changed into a prime (51026141) by changing a digit.

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, 750351 + ... + 750418.

Almost surely, 2^51026146 is an apocalyptic number.

51026146 is a deficient number, since it is larger than the sum of its proper divisors (30015434).

51026146 is a wasteful number, since it uses less digits than its factorization.

51026146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500788.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51026146 is about 7143.2587801367. The cubic root of 51026146 is about 370.9063390442.

The spelling of 51026146 in words is "fifty-one million, twenty-six thousand, one hundred forty-six".