51986176 has 36 divisors (see below), whose sum is σ = 113208984. Its totient is φ = 23628800.

The previous prime is 51986167. The next prime is 51986177. The reversal of 51986176 is 67168915.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51986177) 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 in 3 ways as a sum of consecutive naturals, for example, 6415 + ... + 12046.

It is an arithmetic number, because the mean of its divisors is an integer number (3144694).

Almost surely, 2^51986176 is an apocalyptic number.

It is an amenable number.

51986176 is an abundant number, since it is smaller than the sum of its proper divisors (61222808).

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

51986176 is a wasteful number, since it uses less digits than its factorization.

51986176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18488 (or 18474 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The square root of 51986176 is about 7210.1439652756. The cubic root of 51986176 is about 373.2180369591.

The spelling of 51986176 in words is "fifty-one million, nine hundred eighty-six thousand, one hundred seventy-six".