51059719 has 8 divisors (see below), whose sum is σ = 53419968. Its totient is φ = 48752640.

The previous prime is 51059711. The next prime is 51059753. The reversal of 51059719 is 91795015.

It is a happy number.

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 51059719 - 2³ = 51059711 is a prime.

It is a super-2 number, since 2×51059719² = 5214189808717922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51059711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11322 + ... + 15175.

It is an arithmetic number, because the mean of its divisors is an integer number (6677496).

Almost surely, 2^51059719 is an apocalyptic number.

51059719 is a deficient number, since it is larger than the sum of its proper divisors (2360249).

51059719 is a wasteful number, since it uses less digits than its factorization.

51059719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26585.

The product of its (nonzero) digits is 14175, while the sum is 37.

The square root of 51059719 is about 7145.6083715804. The cubic root of 51059719 is about 370.9876679932.

The spelling of 51059719 in words is "fifty-one million, fifty-nine thousand, seven hundred nineteen".