86803505550 has 48 divisors (see below), whose sum is σ = 239191885680. Its totient is φ = 23147601120.

The previous prime is 86803505539. The next prime is 86803505617. The reversal of 86803505550 is 5550530868.

86803505550 is a `hidden beast` number, since 8 + 68 + 0 + 35 + 0 + 5 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 86803505496 and 86803505505.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 32148097 + ... + 32150796.

It is an arithmetic number, because the mean of its divisors is an integer number (4983164285).

Almost surely, 2^86803505550 is an apocalyptic number.

86803505550 is an abundant number, since it is smaller than the sum of its proper divisors (152388380130).

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

86803505550 is a wasteful number, since it uses less digits than its factorization.

86803505550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64298914 (or 64298903 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The spelling of 86803505550 in words is "eighty-six billion, eight hundred three million, five hundred five thousand, five hundred fifty".