51674688 has 168 divisors, whose sum is σ = 163462208. Its totient is φ = 15510528.

The previous prime is 51674683. The next prime is 51674717. The reversal of 51674688 is 88647615.

It is a happy number.

51674688 is a `hidden beast` number, since 516 + 74 + 68 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (51674683) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 501645 + ... + 501747.

Almost surely, 2^51674688 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 51674688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81731104).

51674688 is an abundant number, since it is smaller than the sum of its proper divisors (111787520).

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

51674688 is a wasteful number, since it uses less digits than its factorization.

51674688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 188 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 51674688 is about 7188.5108332672. The cubic root of 51674688 is about 372.4711338981.

The spelling of 51674688 in words is "fifty-one million, six hundred seventy-four thousand, six hundred eighty-eight".