82533555 has 96 divisors (see below), whose sum is σ = 167783616. Its totient is φ = 37158912.

The previous prime is 82533553. The next prime is 82533559. The reversal of 82533555 is 55533528.

It is not a de Polignac number, because 82533555 - 2¹ = 82533553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82533553) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 427539 + ... + 427731.

It is an arithmetic number, because the mean of its divisors is an integer number (1747746).

Almost surely, 2^82533555 is an apocalyptic number.

82533555 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

82533555 is an abundant number, since it is smaller than the sum of its proper divisors (85250061).

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

82533555 is a wasteful number, since it uses less digits than its factorization.

82533555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 274 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 82533555 is about 9084.7980164668. The cubic root of 82533555 is about 435.3883966699.

The spelling of 82533555 in words is "eighty-two million, five hundred thirty-three thousand, five hundred fifty-five".