53421102 has 24 divisors (see below), whose sum is σ = 132281136. Its totient is φ = 15263136.

The previous prime is 53421097. The next prime is 53421127. The reversal of 53421102 is 20112435.

53421102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211863 + ... + 212114.

It is an arithmetic number, because the mean of its divisors is an integer number (5511714).

Almost surely, 2^53421102 is an apocalyptic number.

53421102 is an abundant number, since it is smaller than the sum of its proper divisors (78860034).

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

53421102 is a wasteful number, since it uses less digits than its factorization.

53421102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423992 (or 423989 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 53421102 is about 7308.9740730146. The cubic root of 53421102 is about 376.6207820822.

Adding to 53421102 its reverse (20112435), we get a palindrome (73533537).

The spelling of 53421102 in words is "fifty-three million, four hundred twenty-one thousand, one hundred two".