82450550 has 48 divisors (see below), whose sum is σ = 188758752. Its totient is φ = 26092800.

The previous prime is 82450547. The next prime is 82450597. The reversal of 82450550 is 5505428.

It is a Curzon number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 4511 + ... + 13610.

It is an arithmetic number, because the mean of its divisors is an integer number (3932474).

Almost surely, 2^82450550 is an apocalyptic number.

82450550 is an abundant number, since it is smaller than the sum of its proper divisors (106308202).

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

82450550 is a wasteful number, since it uses less digits than its factorization.

82450550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18153 (or 18148 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 82450550 is about 9080.2285213534. The cubic root of 82450550 is about 435.2423892433.

Adding to 82450550 its reverse (5505428), we get a palindrome (87955978).

The spelling of 82450550 in words is "eighty-two million, four hundred fifty thousand, five hundred fifty".