51818162 has 16 divisors (see below), whose sum is σ = 84946752. Its totient is φ = 23511120.

The previous prime is 51818161. The next prime is 51818183. The reversal of 51818162 is 26181815.

It is not an unprimeable number, because it can be changed into a prime (51818161) 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, 12563 + ... + 16169.

It is an arithmetic number, because the mean of its divisors is an integer number (5309172).

Almost surely, 2^51818162 is an apocalyptic number.

51818162 is a deficient number, since it is larger than the sum of its proper divisors (33128590).

51818162 is a wasteful number, since it uses less digits than its factorization.

51818162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273.

The product of its digits is 3840, while the sum is 32.

The square root of 51818162 is about 7198.4833124763. The cubic root of 51818162 is about 372.8155355339.

Adding to 51818162 its reverse (26181815), we get a palindrome (77999977).

The spelling of 51818162 in words is "fifty-one million, eight hundred eighteen thousand, one hundred sixty-two".