51038201 has 4 divisors (see below), whose sum is σ = 51218832. Its totient is φ = 50857572.

The previous prime is 51038191. The next prime is 51038203. The reversal of 51038201 is 10283015.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10283015 = 5 ⋅2056603.

It is a cyclic number.

It is not a de Polignac number, because 51038201 - 2¹⁰ = 51037177 is a prime.

It is a super-2 number, since 2×51038201² = 5209795922632802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51038203) 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, 89891 + ... + 90456.

It is an arithmetic number, because the mean of its divisors is an integer number (12804708).

Almost surely, 2^51038201 is an apocalyptic number.

It is an amenable number.

51038201 is a deficient number, since it is larger than the sum of its proper divisors (180631).

51038201 is a wasteful number, since it uses less digits than its factorization.

51038201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180630.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 51038201 is about 7144.1025328588. The cubic root of 51038201 is about 370.9355457954.

The spelling of 51038201 in words is "fifty-one million, thirty-eight thousand, two hundred one".