83195550 has 36 divisors (see below), whose sum is σ = 223519920. Its totient is φ = 22185360.

The previous prime is 83195549. The next prime is 83195551. The reversal of 83195550 is 5559138.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (83195549) and next prime (83195551).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83195551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 91990 + ... + 92889.

Almost surely, 2^83195550 is an apocalyptic number.

83195550 is an abundant number, since it is smaller than the sum of its proper divisors (140324370).

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

83195550 is a wasteful number, since it uses less digits than its factorization.

83195550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184897 (or 184889 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 83195550 is about 9121.1594657697. The cubic root of 83195550 is about 436.5493699153.

The spelling of 83195550 in words is "eighty-three million, one hundred ninety-five thousand, five hundred fifty".