51971282 has 8 divisors (see below), whose sum is σ = 85043952. Its totient is φ = 23623300.

The previous prime is 51971281. The next prime is 51971333. The reversal of 51971282 is 28217915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51971281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181144 + ... + 1181187.

It is an arithmetic number, because the mean of its divisors is an integer number (10630494).

Almost surely, 2^51971282 is an apocalyptic number.

51971282 is a deficient number, since it is larger than the sum of its proper divisors (33072670).

51971282 is a wasteful number, since it uses less digits than its factorization.

51971282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362344.

The product of its digits is 10080, while the sum is 35.

The square root of 51971282 is about 7209.1110408982. Note that the first 3 decimals coincide. The cubic root of 51971282 is about 373.1823913265.

The spelling of 51971282 in words is "fifty-one million, nine hundred seventy-one thousand, two hundred eighty-two".