51818041 has 8 divisors (see below), whose sum is σ = 58478400. Its totient is φ = 45482640.

The previous prime is 51818033. The next prime is 51818051. The reversal of 51818041 is 14081815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51818041 - 2³ = 51818033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51818051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80901 + ... + 81538.

It is an arithmetic number, because the mean of its divisors is an integer number (7309800).

Almost surely, 2^51818041 is an apocalyptic number.

It is an amenable number.

51818041 is a deficient number, since it is larger than the sum of its proper divisors (6660359).

51818041 is a wasteful number, since it uses less digits than its factorization.

51818041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162479.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 51818041 is about 7198.4749079232. The cubic root of 51818041 is about 372.8152453480.

Adding to 51818041 its reverse (14081815), we get a palindrome (65899856).

The spelling of 51818041 in words is "fifty-one million, eight hundred eighteen thousand, forty-one".