65555050 has 24 divisors (see below), whose sum is σ = 133018272. Its totient is φ = 23838000.

The previous prime is 65555047. The next prime is 65555057. The reversal of 65555050 is 5055556.

65555050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65555057) 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 11 ways as a sum of consecutive naturals, for example, 59046 + ... + 60145.

It is an arithmetic number, because the mean of its divisors is an integer number (5542428).

Almost surely, 2^65555050 is an apocalyptic number.

65555050 is an abundant number, since it is smaller than the sum of its proper divisors (67463222).

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

65555050 is a wasteful number, since it uses less digits than its factorization.

65555050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119214 (or 119209 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 65555050 is about 8096.6073141780. The cubic root of 65555050 is about 403.2137971167.

The spelling of 65555050 in words is "sixty-five million, five hundred fifty-five thousand, fifty".