51941121 has 4 divisors (see below), whose sum is σ = 69254832. Its totient is φ = 34627412.

The previous prime is 51941111. The next prime is 51941159. The reversal of 51941121 is 12114915.

It is a happy number.

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 not a de Polignac number, because 51941121 - 2¹¹ = 51939073 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51941091 and 51941100.

It is not an unprimeable number, because it can be changed into a prime (51941111) 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, 8656851 + ... + 8656856.

It is an arithmetic number, because the mean of its divisors is an integer number (17313708).

Almost surely, 2^51941121 is an apocalyptic number.

It is an amenable number.

51941121 is a deficient number, since it is larger than the sum of its proper divisors (17313711).

51941121 is a wasteful number, since it uses less digits than its factorization.

51941121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17313710.

The product of its digits is 360, while the sum is 24.

The square root of 51941121 is about 7207.0188705178. The cubic root of 51941121 is about 373.1101865003.

The spelling of 51941121 in words is "fifty-one million, nine hundred forty-one thousand, one hundred twenty-one".