52820526 has 16 divisors (see below), whose sum is σ = 115244928. Its totient is φ = 16006200.

The previous prime is 52820519. The next prime is 52820531. The reversal of 52820526 is 62502825.

It is a junction number, because it is equal to n+sod(n) for n = 52820493 and 52820502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400090 + ... + 400221.

It is an arithmetic number, because the mean of its divisors is an integer number (7202808).

Almost surely, 2^52820526 is an apocalyptic number.

52820526 is an abundant number, since it is smaller than the sum of its proper divisors (62424402).

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

52820526 is a wasteful number, since it uses less digits than its factorization.

52820526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800327.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 52820526 is about 7267.7731114833. The cubic root of 52820526 is about 375.2040986742.

The spelling of 52820526 in words is "fifty-two million, eight hundred twenty thousand, five hundred twenty-six".