10065550 has 24 divisors (see below), whose sum is σ = 20425032. Its totient is φ = 3660000.

The previous prime is 10065521. The next prime is 10065553. The reversal of 10065550 is 5556001.

10065550 = 208² + 209² + ... + 339².

10065550 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 (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10065553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8601 + ... + 9700.

It is an arithmetic number, because the mean of its divisors is an integer number (851043).

Almost surely, 2^10065550 is an apocalyptic number.

10065550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10065550 is an abundant number, since it is smaller than the sum of its proper divisors (10359482).

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

10065550 is a wasteful number, since it uses less digits than its factorization.

10065550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18324 (or 18319 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 10065550 is about 3172.6250960364. The cubic root of 10065550 is about 215.9131881368.

It can be divided in two parts, 1006 and 5550, that added together give a palindrome (6556).

The spelling of 10065550 in words is "ten million, sixty-five thousand, five hundred fifty".