52587828 has 18 divisors (see below), whose sum is σ = 132930434. Its totient is φ = 17529264.

The previous prime is 52587823. The next prime is 52587853. The reversal of 52587828 is 82878525.

It can be written as a sum of positive squares in only one way, i.e., 40602384 + 11985444 = 6372^2 + 3462^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52587823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 730351 + ... + 730422.

Almost surely, 2^52587828 is an apocalyptic number.

It is an amenable number.

52587828 is an abundant number, since it is smaller than the sum of its proper divisors (80342606).

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

52587828 is a wasteful number, since it uses less digits than its factorization.

52587828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460783 (or 1460778 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The square root of 52587828 is about 7251.7465482462. The cubic root of 52587828 is about 374.6523070586.

The spelling of 52587828 in words is "fifty-two million, five hundred eighty-seven thousand, eight hundred twenty-eight".