83442555 has 48 divisors (see below), whose sum is σ = 171435264. Its totient is φ = 38141280.

The previous prime is 83442523. The next prime is 83442563. The reversal of 83442555 is 55524438.

It is not a de Polignac number, because 83442555 - 2⁵ = 83442523 is a prime.

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, 3600 + ... + 13410.

It is an arithmetic number, because the mean of its divisors is an integer number (3571568).

Almost surely, 2^83442555 is an apocalyptic number.

83442555 is an abundant number, since it is smaller than the sum of its proper divisors (87992709).

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

83442555 is an equidigital number, since it uses as much as digits as its factorization.

83442555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9838 (or 9826 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 83442555 is about 9134.6896499005. The cubic root of 83442555 is about 436.9809768873.

The spelling of 83442555 in words is "eighty-three million, four hundred forty-two thousand, five hundred fifty-five".