53421210402 has 32 divisors (see below), whose sum is σ = 122141958144. Its totient is φ = 15258661200.

The previous prime is 53421210379. The next prime is 53421210413. The reversal of 53421210402 is 20401212435.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45124 + ... + 329967.

It is an arithmetic number, because the mean of its divisors is an integer number (3816936192).

Almost surely, 2^53421210402 is an apocalyptic number.

53421210402 is an abundant number, since it is smaller than the sum of its proper divisors (68720747742).

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

53421210402 is a wasteful number, since it uses less digits than its factorization.

53421210402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378494.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 53421210402 its reverse (20401212435), we get a palindrome (73822422837).

The spelling of 53421210402 in words is "fifty-three billion, four hundred twenty-one million, two hundred ten thousand, four hundred two".