84425055 has 32 divisors (see below), whose sum is σ = 158699520. Its totient is φ = 37783680.

The previous prime is 84425051. The next prime is 84425063. The reversal of 84425055 is 55052448.

It is not a de Polignac number, because 84425055 - 2² = 84425051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84425051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17535 + ... + 21824.

It is an arithmetic number, because the mean of its divisors is an integer number (4959360).

Almost surely, 2^84425055 is an apocalyptic number.

84425055 is a deficient number, since it is larger than the sum of its proper divisors (74274465).

84425055 is a wasteful number, since it uses less digits than its factorization.

84425055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39391.

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 84425055 is about 9188.3107805516. The cubic root of 84425055 is about 438.6893764502.

The spelling of 84425055 in words is "eighty-four million, four hundred twenty-five thousand, fifty-five".