51787008 has 324 divisors, whose sum is σ = 194507040. Its totient is φ = 12939264.

The previous prime is 51786991. The next prime is 51787033. The reversal of 51787008 is 80078715.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2725623 + ... + 2725641.

Almost surely, 2^51787008 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 51787008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97253520).

51787008 is an abundant number, since it is smaller than the sum of its proper divisors (142720032).

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

51787008 is a wasteful number, since it uses less digits than its factorization.

51787008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 51787008 is about 7196.3190590746. The cubic root of 51787008 is about 372.7408061136.

The spelling of 51787008 in words is "fifty-one million, seven hundred eighty-seven thousand, eight".