51469796 has 72 divisors (see below), whose sum is σ = 111234816. Its totient is φ = 20744640.

The previous prime is 51469783. The next prime is 51469813. The reversal of 51469796 is 69796415.

51469796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (408240) is a multiple of the sum of its prime divisors (280).

It is a self number, because there is not a number n which added to its sum of digits gives 51469796.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261170 + ... + 261366.

It is an arithmetic number, because the mean of its divisors is an integer number (1544928).

Almost surely, 2^51469796 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 51469796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55617408).

51469796 is an abundant number, since it is smaller than the sum of its proper divisors (59765020).

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

51469796 is a wasteful number, since it uses less digits than its factorization.

51469796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 280 counting only the distinct ones).

The product of its digits is 408240, while the sum is 47.

The square root of 51469796 is about 7174.2453261650. The cubic root of 51469796 is about 371.9781946597.

The spelling of 51469796 in words is "fifty-one million, four hundred sixty-nine thousand, seven hundred ninety-six".