82849554 has 20 divisors (see below), whose sum is σ = 185644734. Its totient is φ = 27616464.

The previous prime is 82849553. The next prime is 82849567. The reversal of 82849554 is 45594828.

It can be written as a sum of positive squares in only one way, i.e., 72641529 + 10208025 = 8523^2 + 3195^2 .

It is not an unprimeable number, because it can be changed into a prime (82849553) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 255547 + ... + 255870.

Almost surely, 2^82849554 is an apocalyptic number.

82849554 is an abundant number, since it is smaller than the sum of its proper divisors (102795180).

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

82849554 is a wasteful number, since it uses less digits than its factorization.

82849554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511431 (or 511422 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 82849554 is about 9102.1730372478. The cubic root of 82849554 is about 435.9433510835.

The spelling of 82849554 in words is "eighty-two million, eight hundred forty-nine thousand, five hundred fifty-four".