65551536 has 30 divisors (see below), whose sum is σ = 183453660. Its totient is φ = 21850464.

The previous prime is 65551523. The next prime is 65551543. The reversal of 65551536 is 63515556.

65551536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 65551536.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 227466 + ... + 227753.

It is an arithmetic number, because the mean of its divisors is an integer number (6115122).

Almost surely, 2^65551536 is an apocalyptic number.

It is an amenable number.

65551536 is an abundant number, since it is smaller than the sum of its proper divisors (117902124).

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

65551536 is a wasteful number, since it uses less digits than its factorization.

65551536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455233 (or 455224 counting only the distinct ones).

The product of its digits is 67500, while the sum is 36.

The square root of 65551536 is about 8096.3903067972. The cubic root of 65551536 is about 403.2065923903.

The spelling of 65551536 in words is "sixty-five million, five hundred fifty-one thousand, five hundred thirty-six".