51707008 has 64 divisors (see below), whose sum is σ = 108299520. Its totient is φ = 24560640.

The previous prime is 51706987. The next prime is 51707011. The reversal of 51707008 is 80070715.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×51707008² = 5347229352624128, which contains 22 as substring.

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, 329266 + ... + 329422.

It is an arithmetic number, because the mean of its divisors is an integer number (1692180).

Almost surely, 2^51707008 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 51707008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54149760).

51707008 is an abundant number, since it is smaller than the sum of its proper divisors (56592512).

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

51707008 is a wasteful number, since it uses less digits than its factorization.

51707008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 51707008 is about 7190.7585135367. The cubic root of 51707008 is about 372.5487718972.

The spelling of 51707008 in words is "fifty-one million, seven hundred seven thousand, eight".