51983679 has 8 divisors (see below), whose sum is σ = 75612672. Its totient is φ = 31505240.

The previous prime is 51983653. The next prime is 51983693. The reversal of 51983679 is 97638915.

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

It is a cyclic number.

It is not a de Polignac number, because 51983679 - 2⁸ = 51983423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51983609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787599 + ... + 787664.

It is an arithmetic number, because the mean of its divisors is an integer number (9451584).

Almost surely, 2^51983679 is an apocalyptic number.

51983679 is a deficient number, since it is larger than the sum of its proper divisors (23628993).

51983679 is a wasteful number, since it uses less digits than its factorization.

51983679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575277.

The product of its digits is 408240, while the sum is 48.

The square root of 51983679 is about 7209.9708043792. The cubic root of 51983679 is about 373.2120613938.

It can be divided in two parts, 519836 and 79, that added together give a palindrome (519915).

The spelling of 51983679 in words is "fifty-one million, nine hundred eighty-three thousand, six hundred seventy-nine".