51038113 has 4 divisors (see below), whose sum is σ = 58329280. Its totient is φ = 43746948.

The previous prime is 51038107. The next prime is 51038129. The reversal of 51038113 is 31183015.

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 not a de Polignac number, because 51038113 - 2⁹ = 51037601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51038213) 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, 3645573 + ... + 3645586.

It is an arithmetic number, because the mean of its divisors is an integer number (14582320).

Almost surely, 2^51038113 is an apocalyptic number.

It is an amenable number.

51038113 is a deficient number, since it is larger than the sum of its proper divisors (7291167).

51038113 is an equidigital number, since it uses as much as digits as its factorization.

51038113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7291166.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 51038113 is about 7144.0963739300. The cubic root of 51038113 is about 370.9353326064.

The spelling of 51038113 in words is "fifty-one million, thirty-eight thousand, one hundred thirteen".