51567982 has 8 divisors (see below), whose sum is σ = 77632056. Its totient is φ = 25690632.

The previous prime is 51567979. The next prime is 51568007. The reversal of 51567982 is 28976515.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45988 + ... + 47095.

It is an arithmetic number, because the mean of its divisors is an integer number (9704007).

Almost surely, 2^51567982 is an apocalyptic number.

51567982 is a deficient number, since it is larger than the sum of its proper divisors (26064074).

51567982 is a wasteful number, since it uses less digits than its factorization.

51567982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93362.

The product of its digits is 151200, while the sum is 43.

The square root of 51567982 is about 7181.0850155112. The cubic root of 51567982 is about 372.2145782875.

The spelling of 51567982 in words is "fifty-one million, five hundred sixty-seven thousand, nine hundred eighty-two".