51089519 has 16 divisors (see below), whose sum is σ = 57114624. Its totient is φ = 45381600.

The previous prime is 51089501. The next prime is 51089543. The reversal of 51089519 is 91598015.

51089519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51089519 - 2⁸ = 51089263 is a prime.

It is a super-2 number, since 2×51089519² = 5220277903302722, 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 (51089569) 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 15 ways as a sum of consecutive naturals, for example, 133202 + ... + 133584.

It is an arithmetic number, because the mean of its divisors is an integer number (3569664).

Almost surely, 2^51089519 is an apocalyptic number.

51089519 is a deficient number, since it is larger than the sum of its proper divisors (6025105).

51089519 is a wasteful number, since it uses less digits than its factorization.

51089519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 16200, while the sum is 38.

The square root of 51089519 is about 7147.6932642637. The cubic root of 51089519 is about 371.0598271737.

The spelling of 51089519 in words is "fifty-one million, eighty-nine thousand, five hundred nineteen".