51451679 has 8 divisors (see below), whose sum is σ = 52898832. Its totient is φ = 50013760.

The previous prime is 51451669. The next prime is 51451703. The reversal of 51451679 is 97615415.

51451679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51451679 - 2⁴ = 51451663 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 (51451619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9872 + ... + 14154.

It is an arithmetic number, because the mean of its divisors is an integer number (6612354).

Almost surely, 2^51451679 is an apocalyptic number.

51451679 is a deficient number, since it is larger than the sum of its proper divisors (1447153).

51451679 is a wasteful number, since it uses less digits than its factorization.

51451679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617.

The product of its digits is 37800, while the sum is 38.

The square root of 51451679 is about 7172.9825735185. The cubic root of 51451679 is about 371.9345449834.

The spelling of 51451679 in words is "fifty-one million, four hundred fifty-one thousand, six hundred seventy-nine".