65005552 has 20 divisors (see below), whose sum is σ = 133357536. Its totient is φ = 30590720.

The previous prime is 65005547. The next prime is 65005553. The reversal of 65005552 is 25550056.

It is a self number, because there is not a number n which added to its sum of digits gives 65005552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65005553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119224 + ... + 119767.

Almost surely, 2^65005552 is an apocalyptic number.

It is an amenable number.

65005552 is an abundant number, since it is smaller than the sum of its proper divisors (68351984).

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

65005552 is a wasteful number, since it uses less digits than its factorization.

65005552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239016 (or 239010 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 65005552 is about 8062.6020613695. The cubic root of 65005552 is about 402.0840232609.

The spelling of 65005552 in words is "sixty-five million, five thousand, five hundred fifty-two".