53421460 has 12 divisors (see below), whose sum is σ = 112185108. Its totient is φ = 21368576.

The previous prime is 53421419. The next prime is 53421461. The reversal of 53421460 is 6412435.

53421460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16016004 + 37405456 = 4002^2 + 6116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53421461) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1335517 + ... + 1335556.

It is an arithmetic number, because the mean of its divisors is an integer number (9348759).

Almost surely, 2^53421460 is an apocalyptic number.

It is an amenable number.

53421460 is an abundant number, since it is smaller than the sum of its proper divisors (58763648).

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

53421460 is a wasteful number, since it uses less digits than its factorization.

53421460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671082 (or 2671080 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 53421460 is about 7308.9985634148. The cubic root of 53421460 is about 376.6216233848.

Adding to 53421460 its reverse (6412435), we get a palindrome (59833895).

The spelling of 53421460 in words is "fifty-three million, four hundred twenty-one thousand, four hundred sixty".