51908000 has 96 divisors (see below), whose sum is σ = 134447040. Its totient is φ = 19641600.

The previous prime is 51907991. The next prime is 51908027. The reversal of 51908000 is 80915.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75659 + ... + 76341.

It is an arithmetic number, because the mean of its divisors is an integer number (1400490).

Almost surely, 2^51908000 is an apocalyptic number.

51908000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51908000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67223520).

51908000 is an abundant number, since it is smaller than the sum of its proper divisors (82539040).

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

51908000 is a wasteful number, since it uses less digits than its factorization.

51908000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 51908000 is about 7204.7206746688. The cubic root of 51908000 is about 373.0308632853.

Adding to 51908000 its reverse (80915), we get a palindrome (51988915).

The spelling of 51908000 in words is "fifty-one million, nine hundred eight thousand".