65606051 has 18 divisors (see below), whose sum is σ = 79811172. Its totient is φ = 53767560.

The previous prime is 65606029. The next prime is 65606063. The reversal of 65606051 is 15060656.

65606051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65606051 - 2⁶ = 65605987 is a prime.

It is a super-5 number, since 5×65606051⁵ (a number of 40 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (65606011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24656 + ... + 27186.

It is an arithmetic number, because the mean of its divisors is an integer number (4433954).

Almost surely, 2^65606051 is an apocalyptic number.

65606051 is a deficient number, since it is larger than the sum of its proper divisors (14205121).

65606051 is a wasteful number, since it uses less digits than its factorization.

65606051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 65606051 is about 8099.7562308998. The cubic root of 65606051 is about 403.3183350903.

The spelling of 65606051 in words is "sixty-five million, six hundred six thousand, fifty-one".