51479566 has 8 divisors (see below), whose sum is σ = 80576784. Its totient is φ = 24620640.

The previous prime is 51479563. The next prime is 51479591. The reversal of 51479566 is 66597415.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51479563) 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, 559515 + ... + 559606.

It is an arithmetic number, because the mean of its divisors is an integer number (10072098).

Almost surely, 2^51479566 is an apocalyptic number.

51479566 is a deficient number, since it is larger than the sum of its proper divisors (29097218).

51479566 is a wasteful number, since it uses less digits than its factorization.

51479566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119146.

The product of its digits is 226800, while the sum is 43.

The square root of 51479566 is about 7174.9262017111. The cubic root of 51479566 is about 372.0017294790.

The spelling of 51479566 in words is "fifty-one million, four hundred seventy-nine thousand, five hundred sixty-six".