51679282 has 4 divisors (see below), whose sum is σ = 77518926. Its totient is φ = 25839640.

The previous prime is 51679253. The next prime is 51679283. The reversal of 51679282 is 28297615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44502241 + 7177041 = 6671^2 + 2679^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (51679283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12919819 + ... + 12919822.

Almost surely, 2^51679282 is an apocalyptic number.

51679282 is a deficient number, since it is larger than the sum of its proper divisors (25839644).

51679282 is a wasteful number, since it uses less digits than its factorization.

51679282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25839643.

The product of its digits is 60480, while the sum is 40.

The square root of 51679282 is about 7188.8303638353. The cubic root of 51679282 is about 372.4821714212.

The spelling of 51679282 in words is "fifty-one million, six hundred seventy-nine thousand, two hundred eighty-two".