51433938 has 48 divisors (see below), whose sum is σ = 114004800. Its totient is φ = 16755552.

The previous prime is 51433913. The next prime is 51433981. The reversal of 51433938 is 83933415.

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 23 ways as a sum of consecutive naturals, for example, 258363 + ... + 258561.

It is an arithmetic number, because the mean of its divisors is an integer number (2375100).

Almost surely, 2^51433938 is an apocalyptic number.

51433938 is an abundant number, since it is smaller than the sum of its proper divisors (62570862).

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

51433938 is a wasteful number, since it uses less digits than its factorization.

51433938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 460 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 51433938 is about 7171.7458125620. The cubic root of 51433938 is about 371.8917912810.

The spelling of 51433938 in words is "fifty-one million, four hundred thirty-three thousand, nine hundred thirty-eight".