80850550 has 96 divisors (see below), whose sum is σ = 175569120. Its totient is φ = 27417600.

The previous prime is 80850547. The next prime is 80850551. The reversal of 80850550 is 5505808.

It is a happy number.

It is a super-2 number, since 2×80850550² = 13073622870605000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80850551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 590082 + ... + 590218.

It is an arithmetic number, because the mean of its divisors is an integer number (1828845).

Almost surely, 2^80850550 is an apocalyptic number.

80850550 is an abundant number, since it is smaller than the sum of its proper divisors (94718570).

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

80850550 is a wasteful number, since it uses less digits than its factorization.

80850550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 80850550 is about 8991.6933889007. The cubic root of 80850550 is about 432.4086033164.

The spelling of 80850550 in words is "eighty million, eight hundred fifty thousand, five hundred fifty".