51971283 has 96 divisors (see below), whose sum is σ = 100638720. Its totient is φ = 25090560.

The previous prime is 51971281. The next prime is 51971333. The reversal of 51971283 is 38217915.

51971283 is a nontrivial binomial coefficient, being equal to C(93, 5).

It is not a de Polignac number, because 51971283 - 2¹ = 51971281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51971281) 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 95 ways as a sum of consecutive naturals, for example, 583903 + ... + 583991.

It is an arithmetic number, because the mean of its divisors is an integer number (1048320).

Almost surely, 2^51971283 is an apocalyptic number.

51971283 is a deficient number, since it is larger than the sum of its proper divisors (48667437).

51971283 is a wasteful number, since it uses less digits than its factorization.

51971283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 166 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 51971283 is about 7209.1111102549. Note that the first 5 decimals coincide. The cubic root of 51971283 is about 373.1823937201.

The spelling of 51971283 in words is "fifty-one million, nine hundred seventy-one thousand, two hundred eighty-three".