84554505 has 48 divisors (see below), whose sum is σ = 171609984. Its totient is φ = 37704960.

The previous prime is 84554497. The next prime is 84554537. The reversal of 84554505 is 50545548.

It is not a de Polignac number, because 84554505 - 2³ = 84554497 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84554505.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9642 + ... + 16188.

It is an arithmetic number, because the mean of its divisors is an integer number (3575208).

Almost surely, 2^84554505 is an apocalyptic number.

It is an amenable number.

84554505 is an abundant number, since it is smaller than the sum of its proper divisors (87055479).

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

84554505 is a wasteful number, since it uses less digits than its factorization.

84554505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606 (or 6603 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The square root of 84554505 is about 9195.3523586647. The cubic root of 84554505 is about 438.9134779318.

The spelling of 84554505 in words is "eighty-four million, five hundred fifty-four thousand, five hundred five".