84580550 has 12 divisors (see below), whose sum is σ = 157319916. Its totient is φ = 33832200.

The previous prime is 84580549. The next prime is 84580553. The reversal of 84580550 is 5508548.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 84580550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84580553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 845756 + ... + 845855.

It is an arithmetic number, because the mean of its divisors is an integer number (13109993).

Almost surely, 2^84580550 is an apocalyptic number.

84580550 is a deficient number, since it is larger than the sum of its proper divisors (72739366).

84580550 is a wasteful number, since it uses less digits than its factorization.

84580550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691623 (or 1691618 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 84580550 is about 9196.7684541909. The cubic root of 84580550 is about 438.9585389174.

The spelling of 84580550 in words is "eighty-four million, five hundred eighty thousand, five hundred fifty".