51483679 has 4 divisors (see below), whose sum is σ = 55443976. Its totient is φ = 47523384.

The previous prime is 51483661. The next prime is 51483697. The reversal of 51483679 is 97638415.

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

It is an interprime number because it is at equal distance from previous prime (51483661) and next prime (51483697).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51483679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51483629) 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, 1980129 + ... + 1980154.

It is an arithmetic number, because the mean of its divisors is an integer number (13860994).

Almost surely, 2^51483679 is an apocalyptic number.

51483679 is a deficient number, since it is larger than the sum of its proper divisors (3960297).

51483679 is a wasteful number, since it uses less digits than its factorization.

51483679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960296.

The product of its digits is 181440, while the sum is 43.

The square root of 51483679 is about 7175.2128191434. The cubic root of 51483679 is about 372.0116363377.

The spelling of 51483679 in words is "fifty-one million, four hundred eighty-three thousand, six hundred seventy-nine".