51670068 has 24 divisors (see below), whose sum is σ = 121487520. Its totient is φ = 17091360.

The previous prime is 51670043. The next prime is 51670097. The reversal of 51670068 is 86007615.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 14863 + ... + 18006.

It is an arithmetic number, because the mean of its divisors is an integer number (5061980).

Almost surely, 2^51670068 is an apocalyptic number.

It is an amenable number.

51670068 is an abundant number, since it is smaller than the sum of its proper divisors (69817452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51670068 is a wasteful number, since it uses less digits than its factorization.

51670068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33007 (or 33005 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 51670068 is about 7188.1894799734. The cubic root of 51670068 is about 372.4600332478.

The spelling of 51670068 in words is "fifty-one million, six hundred seventy thousand, sixty-eight".