83126550 has 96 divisors (see below), whose sum is σ = 226985472. Its totient is φ = 20004480.

The previous prime is 83126497. The next prime is 83126551. The reversal of 83126550 is 5562138.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83126551) 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 47 ways as a sum of consecutive naturals, for example, 91197 + ... + 92103.

It is an arithmetic number, because the mean of its divisors is an integer number (2364432).

Almost surely, 2^83126550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83126550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113492736).

83126550 is an abundant number, since it is smaller than the sum of its proper divisors (143858922).

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

83126550 is a wasteful number, since it uses less digits than its factorization.

83126550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 83126550 is about 9117.3762673260. The cubic root of 83126550 is about 436.4286493648.

Adding to 83126550 its reverse (5562138), we get a palindrome (88688688).

The spelling of 83126550 in words is "eighty-three million, one hundred twenty-six thousand, five hundred fifty".