53793820 has 12 divisors (see below), whose sum is σ = 112967064. Its totient is φ = 21517520.

The previous prime is 53793799. The next prime is 53793821. The reversal of 53793820 is 2839735.

It is a self number, because there is not a number n which added to its sum of digits gives 53793820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53793821) 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, 1344826 + ... + 1344865.

It is an arithmetic number, because the mean of its divisors is an integer number (9413922).

Almost surely, 2^53793820 is an apocalyptic number.

It is an amenable number.

53793820 is an abundant number, since it is smaller than the sum of its proper divisors (59173244).

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

53793820 is a wasteful number, since it uses less digits than its factorization.

53793820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689700 (or 2689698 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 53793820 is about 7334.4270396535. The cubic root of 53793820 is about 377.4946448957.

The spelling of 53793820 in words is "fifty-three million, seven hundred ninety-three thousand, eight hundred twenty".