51104065 has 8 divisors (see below), whose sum is σ = 61544808. Its totient is φ = 40736640.

The previous prime is 51104063. The next prime is 51104077. The reversal of 51104065 is 56040115.

It can be written as a sum of positive squares in 4 ways, for example, as 11778624 + 39325441 = 3432^2 + 6271^2 .

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

It is not a de Polignac number, because 51104065 - 2¹ = 51104063 is a prime.

It is a super-2 number, since 2×51104065² = 5223250919048450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51104063) 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, 16782 + ... + 19591.

It is an arithmetic number, because the mean of its divisors is an integer number (7693101).

Almost surely, 2^51104065 is an apocalyptic number.

It is an amenable number.

51104065 is a deficient number, since it is larger than the sum of its proper divisors (10440743).

51104065 is a wasteful number, since it uses less digits than its factorization.

51104065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36659.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 51104065 is about 7148.7107229206. The cubic root of 51104065 is about 371.0950393802.

The spelling of 51104065 in words is "fifty-one million, one hundred four thousand, sixty-five".