53421204 has 12 divisors (see below), whose sum is σ = 124649504. Its totient is φ = 17807064.

The previous prime is 53421169. The next prime is 53421209. The reversal of 53421204 is 40212435.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53421209) 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, 2225872 + ... + 2225895.

Almost surely, 2^53421204 is an apocalyptic number.

It is an amenable number.

53421204 is an abundant number, since it is smaller than the sum of its proper divisors (71228300).

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

53421204 is a wasteful number, since it uses less digits than its factorization.

53421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451774 (or 4451772 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 53421204 is about 7308.9810507348. The cubic root of 53421204 is about 376.6210217833.

Adding to 53421204 its reverse (40212435), we get a palindrome (93633639).

The spelling of 53421204 in words is "fifty-three million, four hundred twenty-one thousand, two hundred four".