51095 has 8 divisors (see below), whose sum is σ = 66960. Its totient is φ = 37120.

The previous prime is 51071. The next prime is 51109. The reversal of 51095 is 59015.

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

It is not a de Polignac number, because 51095 - 2⁶ = 51031 is a prime.

It is a super-2 number, since 2×51095² = 5221398050, which contains 22 as substring.

It is a plaindrome in base 12 and base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 51095.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410 + ... + 519.

It is an arithmetic number, because the mean of its divisors is an integer number (8370).

2⁵¹⁰⁹⁵ is an apocalyptic number.

51095 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51095 is a deficient number, since it is larger than the sum of its proper divisors (15865).

51095 is a wasteful number, since it uses less digits than its factorization.

51095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 51095 is about 226.0420314897. The cubic root of 51095 is about 37.1073096080.

Adding to 51095 its sum of digits (20), we get a palindrome (51115).

The spelling of 51095 in words is "fifty-one thousand, ninety-five".