51469712 has 40 divisors (see below), whose sum is σ = 115915200. Its totient is φ = 21681792.

The previous prime is 51469697. The next prime is 51469721. The reversal of 51469712 is 21796415.

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 7 ways as a sum of consecutive naturals, for example, 2714 + ... + 10502.

It is an arithmetic number, because the mean of its divisors is an integer number (2897880).

Almost surely, 2^51469712 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 51469712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57957600).

51469712 is an abundant number, since it is smaller than the sum of its proper divisors (64445488).

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

51469712 is a wasteful number, since it uses less digits than its factorization.

51469712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863 (or 7857 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 51469712 is about 7174.2394718883. The cubic root of 51469712 is about 371.9779923004.

The spelling of 51469712 in words is "fifty-one million, four hundred sixty-nine thousand, seven hundred twelve".