53790220 has 48 divisors (see below), whose sum is σ = 124185600. Its totient is φ = 19408320.

The previous prime is 53790211. The next prime is 53790221. The reversal of 53790220 is 2209735.

It is not an unprimeable number, because it can be changed into a prime (53790221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29701 + ... + 31459.

It is an arithmetic number, because the mean of its divisors is an integer number (2587200).

Almost surely, 2^53790220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53790220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62092800).

53790220 is an abundant number, since it is smaller than the sum of its proper divisors (70395380).

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

53790220 is a wasteful number, since it uses less digits than its factorization.

53790220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918 (or 1916 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 53790220 is about 7334.1816176040. The cubic root of 53790220 is about 377.4862237857.

Adding to 53790220 its reverse (2209735), we get a palindrome (55999955).

The spelling of 53790220 in words is "fifty-three million, seven hundred ninety thousand, two hundred twenty".