51116946 has 8 divisors (see below), whose sum is σ = 102233904. Its totient is φ = 17038980.

The previous prime is 51116941. The next prime is 51116953. The reversal of 51116946 is 64961115.

It is a sphenic number, since it is the product of 3 distinct primes.

51116946 is an admirable number.

It is a super-2 number, since 2×51116946² = 5225884336733832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51116941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4259740 + ... + 4259751.

It is an arithmetic number, because the mean of its divisors is an integer number (12779238).

Almost surely, 2^51116946 is an apocalyptic number.

51116946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51116946 is a wasteful number, since it uses less digits than its factorization.

51116946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8519496.

The product of its digits is 6480, while the sum is 33.

The square root of 51116946 is about 7149.6115978422. The cubic root of 51116946 is about 371.1262154627.

The spelling of 51116946 in words is "fifty-one million, one hundred sixteen thousand, nine hundred forty-six".