51110201 has 4 divisors (see below), whose sum is σ = 51244032. Its totient is φ = 50976372.

The previous prime is 51110167. The next prime is 51110219. The reversal of 51110201 is 10201115.

51110201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51110201 is a prime.

It is a super-2 number, since 2×51110201² = 5224505292520802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51110221) 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 3 ways as a sum of consecutive naturals, for example, 66341 + ... + 67106.

It is an arithmetic number, because the mean of its divisors is an integer number (12811008).

Almost surely, 2^51110201 is an apocalyptic number.

It is an amenable number.

51110201 is a deficient number, since it is larger than the sum of its proper divisors (133831).

51110201 is a wasteful number, since it uses less digits than its factorization.

51110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133830.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 51110201 is about 7149.1398783350. The cubic root of 51110201 is about 371.1098910887.

Adding to 51110201 its reverse (10201115), we get a palindrome (61311316).

The spelling of 51110201 in words is "fifty-one million, one hundred ten thousand, two hundred one".