52586028 has 108 divisors (see below), whose sum is σ = 150571512. Its totient is φ = 15344640.

The previous prime is 52586021. The next prime is 52586029. The reversal of 52586028 is 82068525.

52586028 is a `hidden beast` number, since 52 + 586 + 0 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52585983 and 52586001.

It is not an unprimeable number, because it can be changed into a prime (52586021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 542076 + ... + 542172.

Almost surely, 2^52586028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52586028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75285756).

52586028 is an abundant number, since it is smaller than the sum of its proper divisors (97985484).

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

52586028 is a wasteful number, since it uses less digits than its factorization.

52586028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 52586028 is about 7251.6224391511. The cubic root of 52586028 is about 374.6480324202.

The spelling of 52586028 in words is "fifty-two million, five hundred eighty-six thousand, twenty-eight".