56199165 has 16 divisors (see below), whose sum is σ = 98093376. Its totient is φ = 27248000.

The previous prime is 56199163. The next prime is 56199179.

56199165 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56199165 - 2¹ = 56199163 is a prime.

It is a super-2 number, since 2×56199165² = 6316692293394450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56199163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170136 + ... + 170465.

It is an arithmetic number, because the mean of its divisors is an integer number (6130836).

Almost surely, 2^56199165 is an apocalyptic number.

56199165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56199165 is a deficient number, since it is larger than the sum of its proper divisors (41894211).

56199165 is a wasteful number, since it uses less digits than its factorization.

56199165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340620.

The product of its digits is 72900, while the sum is 42.

The square root of 56199165 is about 7496.6102339657. The cubic root of 56199165 is about 383.0392581791.

The spelling of 56199165 in words is "fifty-six million, one hundred ninety-nine thousand, one hundred sixty-five".