51063696 has 150 divisors (see below), whose sum is σ = 156439206. Its totient is φ = 16070400.

The previous prime is 51063647. The next prime is 51063713. The reversal of 51063696 is 69636015.

51063696 is a `hidden beast` number, since 5 + 10 + 636 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31136400 + 19927296 = 5580^2 + 4464^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 51063696.

It is a congruent number.

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 29 ways as a sum of consecutive naturals, for example, 1245436 + ... + 1245476.

Almost surely, 2^51063696 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 51063696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78219603).

51063696 is an abundant number, since it is smaller than the sum of its proper divisors (105375510).

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

51063696 is a wasteful number, since it uses less digits than its factorization.

51063696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 51063696 is about 7145.8866489751. The cubic root of 51063696 is about 370.9972997190.

The spelling of 51063696 in words is "fifty-one million, sixty-three thousand, six hundred ninety-six".