83313555 has 16 divisors (see below), whose sum is σ = 143556000. Its totient is φ = 41015808.

The previous prime is 83313547. The next prime is 83313557. The reversal of 83313555 is 55531338.

It is a happy number.

It is not a de Polignac number, because 83313555 - 2³ = 83313547 is a prime.

It is a super-2 number, since 2×83313555² = 13882296893476050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83313557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213430 + ... + 213819.

It is an arithmetic number, because the mean of its divisors is an integer number (8972250).

Almost surely, 2^83313555 is an apocalyptic number.

83313555 is a deficient number, since it is larger than the sum of its proper divisors (60242445).

83313555 is a wasteful number, since it uses less digits than its factorization.

83313555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427270.

The product of its digits is 27000, while the sum is 33.

The square root of 83313555 is about 9127.6259235356. The cubic root of 83313555 is about 436.7556737027.

The spelling of 83313555 in words is "eighty-three million, three hundred thirteen thousand, five hundred fifty-five".