51006901 has 8 divisors (see below), whose sum is σ = 56938464. Its totient is φ = 45291120.

The previous prime is 51006889. The next prime is 51006913. The reversal of 51006901 is 10960015.

51006901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51006889) and next prime (51006913).

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

It is a cyclic number.

It is not a de Polignac number, because 51006901 - 2⁵ = 51006869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51006931) 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, 53446 + ... + 54391.

It is an arithmetic number, because the mean of its divisors is an integer number (7117308).

Almost surely, 2^51006901 is an apocalyptic number.

It is an amenable number.

51006901 is a deficient number, since it is larger than the sum of its proper divisors (5931563).

51006901 is a wasteful number, since it uses less digits than its factorization.

51006901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107891.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 51006901 is about 7141.9115788422. The cubic root of 51006901 is about 370.8597028872.

Adding to 51006901 its reverse (10960015), we get a palindrome (61966916).

The spelling of 51006901 in words is "fifty-one million, six thousand, nine hundred one".