51333164 has 6 divisors (see below), whose sum is σ = 89833044. Its totient is φ = 25666580.

The previous prime is 51333133. The next prime is 51333167. The reversal of 51333164 is 46133315.

It is not an unprimeable number, because it can be changed into a prime (51333167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6416642 + ... + 6416649.

It is an arithmetic number, because the mean of its divisors is an integer number (14972174).

Almost surely, 2^51333164 is an apocalyptic number.

It is an amenable number.

51333164 is a deficient number, since it is larger than the sum of its proper divisors (38499880).

51333164 is a wasteful number, since it uses less digits than its factorization.

51333164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12833295 (or 12833293 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

The square root of 51333164 is about 7164.7166029090. The cubic root of 51333164 is about 371.6487511948.

Adding to 51333164 its reverse (46133315), we get a palindrome (97466479).

The spelling of 51333164 in words is "fifty-one million, three hundred thirty-three thousand, one hundred sixty-four".