51095005 has 8 divisors (see below), whose sum is σ = 66030552. Its totient is φ = 37731648.

The previous prime is 51094999. The next prime is 51095027. The reversal of 51095005 is 50059015.

It can be written as a sum of positive squares in 4 ways, for example, as 6017209 + 45077796 = 2453^2 + 6714^2 .

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 51095005 - 2¹³ = 51086813 is a prime.

It is a super-2 number, since 2×51095005² = 5221399071900050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 392974 + ... + 393103.

It is an arithmetic number, because the mean of its divisors is an integer number (8253819).

Almost surely, 2^51095005 is an apocalyptic number.

It is an amenable number.

51095005 is a deficient number, since it is larger than the sum of its proper divisors (14935547).

51095005 is a wasteful number, since it uses less digits than its factorization.

51095005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786095.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 51095005 is about 7148.0770141346. The cubic root of 51095005 is about 371.0731081844.

The spelling of 51095005 in words is "fifty-one million, ninety-five thousand, five".