51750433 has 12 divisors (see below), whose sum is σ = 62423040. Its totient is φ = 42020856.

The previous prime is 51750407. The next prime is 51750449. The reversal of 51750433 is 33405715.

It is not a de Polignac number, because 51750433 - 2⁵ = 51750401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51750463) 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 11 ways as a sum of consecutive naturals, for example, 7713 + ... + 12766.

It is an arithmetic number, because the mean of its divisors is an integer number (5201920).

Almost surely, 2^51750433 is an apocalyptic number.

It is an amenable number.

51750433 is a deficient number, since it is larger than the sum of its proper divisors (10672607).

51750433 is a wasteful number, since it uses less digits than its factorization.

51750433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20524 (or 20505 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 51750433 is about 7193.7773804866. Note that the first 3 decimals coincide. The cubic root of 51750433 is about 372.6530350282.

The spelling of 51750433 in words is "fifty-one million, seven hundred fifty thousand, four hundred thirty-three".