51433012 has 12 divisors (see below), whose sum is σ = 90612900. Its totient is φ = 25543616.

The previous prime is 51433009. The next prime is 51433033. The reversal of 51433012 is 21033415.

It can be written as a sum of positive squares in 2 ways, for example, as 4016016 + 47416996 = 2004^2 + 6886^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 42553 + ... + 43744.

It is an arithmetic number, because the mean of its divisors is an integer number (7551075).

Almost surely, 2^51433012 is an apocalyptic number.

It is an amenable number.

51433012 is a deficient number, since it is larger than the sum of its proper divisors (39179888).

51433012 is a wasteful number, since it uses less digits than its factorization.

51433012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86450 (or 86448 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 51433012 is about 7171.6812533743. The cubic root of 51433012 is about 371.8895594610.

Adding to 51433012 its reverse (21033415), we get a palindrome (72466427).

The spelling of 51433012 in words is "fifty-one million, four hundred thirty-three thousand, twelve".