51836012 has 6 divisors (see below), whose sum is σ = 90713028. Its totient is φ = 25918004.

The previous prime is 51836011. The next prime is 51836017. The reversal of 51836012 is 21063815.

It is not an unprimeable number, because it can be changed into a prime (51836011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6479498 + ... + 6479505.

It is an arithmetic number, because the mean of its divisors is an integer number (15118838).

Almost surely, 2^51836012 is an apocalyptic number.

It is an amenable number.

51836012 is a deficient number, since it is larger than the sum of its proper divisors (38877016).

51836012 is a wasteful number, since it uses less digits than its factorization.

51836012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12959007 (or 12959005 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 51836012 is about 7199.7230502291. The cubic root of 51836012 is about 372.8583390162.

Adding to 51836012 its reverse (21063815), we get a palindrome (72899827).

The spelling of 51836012 in words is "fifty-one million, eight hundred thirty-six thousand, twelve".