51694112 has 54 divisors (see below), whose sum is σ = 107789157. Its totient is φ = 24403200.

The previous prime is 51694099. The next prime is 51694129. The reversal of 51694112 is 21149615.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 36917776 + 14776336 = 6076^2 + 3844^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5084.

It is a Duffinian number.

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, 1260812 + ... + 1260852.

Almost surely, 2^51694112 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 51694112

51694112 is an abundant number, since it is smaller than the sum of its proper divisors (56095045).

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

51694112 is an equidigital number, since it uses as much as digits as its factorization.

51694112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 74 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 51694112 is about 7189.8617511048. The cubic root of 51694112 is about 372.5177974470.

The spelling of 51694112 in words is "fifty-one million, six hundred ninety-four thousand, one hundred twelve".