51021014 has 16 divisors (see below), whose sum is σ = 84635280. Its totient is φ = 22872960.

The previous prime is 51021011. The next prime is 51021037. The reversal of 51021014 is 41012015.

It is a self number, because there is not a number n which added to its sum of digits gives 51021014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51021011) 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 7 ways as a sum of consecutive naturals, for example, 14279 + ... + 17490.

It is an arithmetic number, because the mean of its divisors is an integer number (5289705).

Almost surely, 2^51021014 is an apocalyptic number.

51021014 is a deficient number, since it is larger than the sum of its proper divisors (33614266).

51021014 is a wasteful number, since it uses less digits than its factorization.

51021014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31855.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 51021014 is about 7142.8995513027. The cubic root of 51021014 is about 370.8939038824.

Adding to 51021014 its reverse (41012015), we get a palindrome (92033029).

It can be divided in two parts, 5102 and 1014, that added together give a palindrome (6116).

The spelling of 51021014 in words is "fifty-one million, twenty-one thousand, fourteen".