53820284 has 12 divisors (see below), whose sum is σ = 107640624. Its totient is φ = 23065824.

The previous prime is 53820257. The next prime is 53820287. The reversal of 53820284 is 48202835.

53820284 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53820284.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53820287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961049 + ... + 961104.

It is an arithmetic number, because the mean of its divisors is an integer number (8970052).

Almost surely, 2^53820284 is an apocalyptic number.

It is an amenable number.

53820284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53820284 is a wasteful number, since it uses less digits than its factorization.

53820284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922164 (or 1922162 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 53820284 is about 7336.2309123964. The cubic root of 53820284 is about 377.5565378822.

The spelling of 53820284 in words is "fifty-three million, eight hundred twenty thousand, two hundred eighty-four".