83250555 has 16 divisors (see below), whose sum is σ = 136801824. Its totient is φ = 43200000.

The previous prime is 83250551. The next prime is 83250569. The reversal of 83250555 is 55505238.

It is not a de Polignac number, because 83250555 - 2² = 83250551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83250551) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 74446 + ... + 75555.

It is an arithmetic number, because the mean of its divisors is an integer number (8550114).

Almost surely, 2^83250555 is an apocalyptic number.

83250555 is a deficient number, since it is larger than the sum of its proper divisors (53551269).

83250555 is a wasteful number, since it uses less digits than its factorization.

83250555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150046.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 83250555 is about 9124.1742092093. The cubic root of 83250555 is about 436.6455573839.

The spelling of 83250555 in words is "eighty-three million, two hundred fifty thousand, five hundred fifty-five".