51466416 has 40 divisors (see below), whose sum is σ = 137543280. Its totient is φ = 16563456.

The previous prime is 51466403. The next prime is 51466427. The reversal of 51466416 is 61466415.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17095 + ... + 19878.

It is an arithmetic number, because the mean of its divisors is an integer number (3438582).

Almost surely, 2^51466416 is an apocalyptic number.

It is an amenable number.

51466416 is an abundant number, since it is smaller than the sum of its proper divisors (86076864).

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

51466416 is a wasteful number, since it uses less digits than its factorization.

51466416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37013 (or 37007 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 51466416 is about 7174.0097574508. The cubic root of 51466416 is about 371.9700519306.

Subtracting 51466416 from its reverse (61466415), we obtain a palindrome (9999999).

The spelling of 51466416 in words is "fifty-one million, four hundred sixty-six thousand, four hundred sixteen".