52828566 has 24 divisors (see below), whose sum is σ = 122907960. Its totient is φ = 15093792.

The previous prime is 52828561. The next prime is 52828577. The reversal of 52828566 is 66582825.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52828561) 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, 89551 + ... + 90138.

It is an arithmetic number, because the mean of its divisors is an integer number (5121165).

Almost surely, 2^52828566 is an apocalyptic number.

52828566 is an abundant number, since it is smaller than the sum of its proper divisors (70079394).

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

52828566 is a wasteful number, since it uses less digits than its factorization.

52828566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179708 (or 179701 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 52828566 is about 7268.3262172250. The cubic root of 52828566 is about 375.2231347582.

The spelling of 52828566 in words is "fifty-two million, eight hundred twenty-eight thousand, five hundred sixty-six".