51412736 has 36 divisors (see below), whose sum is σ = 104832672. Its totient is φ = 25153536.

The previous prime is 51412723. The next prime is 51412763. The reversal of 51412736 is 63721415.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51412699 and 51412708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9896 + ... + 14168.

Almost surely, 2^51412736 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 51412736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52416336).

51412736 is an abundant number, since it is smaller than the sum of its proper divisors (53419936).

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

51412736 is an equidigital number, since it uses as much as digits as its factorization.

51412736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336 (or 4322 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 51412736 is about 7170.2674984968. The cubic root of 51412736 is about 371.8406840825.

The spelling of 51412736 in words is "fifty-one million, four hundred twelve thousand, seven hundred thirty-six".