53035220 has 24 divisors (see below), whose sum is σ = 127284864. Its totient is φ = 18183456.

The previous prime is 53035207. The next prime is 53035231. The reversal of 53035220 is 2253035.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 53035192 and 53035201.

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, 189272 + ... + 189551.

It is an arithmetic number, because the mean of its divisors is an integer number (5303536).

Almost surely, 2^53035220 is an apocalyptic number.

It is an amenable number.

53035220 is an abundant number, since it is smaller than the sum of its proper divisors (74249644).

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

53035220 is a wasteful number, since it uses less digits than its factorization.

53035220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378839 (or 378837 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 53035220 is about 7282.5284070850. The cubic root of 53035220 is about 375.7117622713.

Adding to 53035220 its reverse (2253035), we get a palindrome (55288255).

The spelling of 53035220 in words is "fifty-three million, thirty-five thousand, two hundred twenty".