65185056 has 36 divisors (see below), whose sum is σ = 185370822. Its totient is φ = 21728256.

The previous prime is 65185031. The next prime is 65185063. The reversal of 65185056 is 65058156.

It can be written as a sum of positive squares in only one way, i.e., 62157456 + 3027600 = 7884^2 + 1740^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 65185056.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 112881 + ... + 113456.

Almost surely, 2^65185056 is an apocalyptic number.

It is an amenable number.

65185056 is an abundant number, since it is smaller than the sum of its proper divisors (120185766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65185056 is a wasteful number, since it uses less digits than its factorization.

65185056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226353 (or 226342 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 65185056 is about 8073.7262772527. The cubic root of 65185056 is about 402.4537832561.

The spelling of 65185056 in words is "sixty-five million, one hundred eighty-five thousand, fifty-six".