83425555 has 4 divisors (see below), whose sum is σ = 100110672. Its totient is φ = 66740440.

The previous prime is 83425493. The next prime is 83425567. The reversal of 83425555 is 55552438.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 83425555 - 2¹⁵ = 83392787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8342551 + ... + 8342560.

It is an arithmetic number, because the mean of its divisors is an integer number (25027668).

Almost surely, 2^83425555 is an apocalyptic number.

83425555 is a deficient number, since it is larger than the sum of its proper divisors (16685117).

83425555 is a wasteful number, since it uses less digits than its factorization.

83425555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16685116.

The product of its digits is 120000, while the sum is 37.

The square root of 83425555 is about 9133.7590837508. The cubic root of 83425555 is about 436.9512990602.

The spelling of 83425555 in words is "eighty-three million, four hundred twenty-five thousand, five hundred fifty-five".