51675424 has 24 divisors (see below), whose sum is σ = 103658940. Its totient is φ = 25349376.

The previous prime is 51675373. The next prime is 51675431. The reversal of 51675424 is 42457615.

It can be written as a sum of positive squares in 2 ways, for example, as 50865424 + 810000 = 7132^2 + 900^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51675424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13539 + ... + 16930.

Almost surely, 2^51675424 is an apocalyptic number.

It is an amenable number.

51675424 is an abundant number, since it is smaller than the sum of its proper divisors (51983516).

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

51675424 is a wasteful number, since it uses less digits than its factorization.

51675424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30532 (or 30524 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 51675424 is about 7188.5620258853. The cubic root of 51675424 is about 372.4729022523.

The spelling of 51675424 in words is "fifty-one million, six hundred seventy-five thousand, four hundred twenty-four".