51036736 has 63 divisors (see below), whose sum is σ = 109209459. Its totient is φ = 23660928.

The previous prime is 51036707. The next prime is 51036763. The reversal of 51036736 is 63763015.

The square root of 51036736 is 7144.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51036698 and 51036707.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1085865 + ... + 1085911.

Almost surely, 2^51036736 is an apocalyptic number.

51036736 is the 7144-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51036736

51036736 is an abundant number, since it is smaller than the sum of its proper divisors (58172723).

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

51036736 is an equidigital number, since it uses as much as digits as its factorization.

51036736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The cubic root of 51036736 is about 370.9319966514.

The spelling of 51036736 in words is "fifty-one million, thirty-six thousand, seven hundred thirty-six".