51368196 has 48 divisors (see below), whose sum is σ = 132084288. Its totient is φ = 15408000.

The previous prime is 51368137. The next prime is 51368201. The reversal of 51368196 is 69186315.

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 15 ways as a sum of consecutive naturals, for example, 11406 + ... + 15258.

It is an arithmetic number, because the mean of its divisors is an integer number (2751756).

Almost surely, 2^51368196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51368196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66042144).

51368196 is an abundant number, since it is smaller than the sum of its proper divisors (80716092).

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

51368196 is a wasteful number, since it uses less digits than its factorization.

51368196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972 (or 3970 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 51368196 is about 7167.1609441954. The cubic root of 51368196 is about 371.7332751000.

The spelling of 51368196 in words is "fifty-one million, three hundred sixty-eight thousand, one hundred ninety-six".