82554428 has 36 divisors (see below), whose sum is σ = 159625536. Its totient is φ = 37329600.

The previous prime is 82554421. The next prime is 82554467. The reversal of 82554428 is 82445528.

It is a junction number, because it is equal to n+sod(n) for n = 82554391 and 82554400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82554421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135701 + ... + 136307.

Almost surely, 2^82554428 is an apocalyptic number.

It is an amenable number.

82554428 is a deficient number, since it is larger than the sum of its proper divisors (77071108).

82554428 is a wasteful number, since it uses less digits than its factorization.

82554428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 901 counting only the distinct ones).

The product of its digits is 102400, while the sum is 38.

The square root of 82554428 is about 9085.9467310787. The cubic root of 82554428 is about 435.4250972821.

Subtracting from 82554428 its reverse (82445528), we obtain a square (108900 = 330²).

The spelling of 82554428 in words is "eighty-two million, five hundred fifty-four thousand, four hundred twenty-eight".