56510165 has 8 divisors (see below), whose sum is σ = 67904568. Its totient is φ = 45146560.

The previous prime is 56510119. The next prime is 56510173. The reversal of 56510165 is 56101565.

It can be written as a sum of positive squares in 4 ways, for example, as 5943844 + 50566321 = 2438^2 + 7111^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-56510165 is a prime.

It is a Duffinian number.

It is a Curzon 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, 3446 + ... + 11175.

It is an arithmetic number, because the mean of its divisors is an integer number (8488071).

Almost surely, 2^56510165 is an apocalyptic number.

It is an amenable number.

56510165 is a deficient number, since it is larger than the sum of its proper divisors (11394403).

56510165 is a wasteful number, since it uses less digits than its factorization.

56510165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15399.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 56510165 is about 7517.3243245187. The cubic root of 56510165 is about 383.7445245322.

The spelling of 56510165 in words is "fifty-six million, five hundred ten thousand, one hundred sixty-five".