51050201 has 4 divisors (see below), whose sum is σ = 54053172. Its totient is φ = 48047232.

The previous prime is 51050189. The next prime is 51050203. The reversal of 51050201 is 10205015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28344976 + 22705225 = 5324^2 + 4765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51050201 is a prime.

It is a super-2 number, since 2×51050201² = 5212246044280802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51050203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501460 + ... + 1501493.

It is an arithmetic number, because the mean of its divisors is an integer number (13513293).

Almost surely, 2^51050201 is an apocalyptic number.

It is an amenable number.

51050201 is a deficient number, since it is larger than the sum of its proper divisors (3002971).

51050201 is a wasteful number, since it uses less digits than its factorization.

51050201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002970.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 51050201 is about 7144.9423370661. The cubic root of 51050201 is about 370.9646147258.

Adding to 51050201 its reverse (10205015), we get a palindrome (61255216).

The spelling of 51050201 in words is "fifty-one million, fifty thousand, two hundred one".