53420213532 has 48 divisors (see below), whose sum is σ = 144868389120. Its totient is φ = 15004223232.

The previous prime is 53420213519. The next prime is 53420213533. The reversal of 53420213532 is 23531202435.

It is a self number, because there is not a number n which added to its sum of digits gives 53420213532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53420213533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5384493 + ... + 5394404.

It is an arithmetic number, because the mean of its divisors is an integer number (3018091440).

Almost surely, 2^53420213532 is an apocalyptic number.

It is an amenable number.

53420213532 is an abundant number, since it is smaller than the sum of its proper divisors (91448175588).

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

53420213532 is a wasteful number, since it uses less digits than its factorization.

53420213532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10778970 (or 10778968 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 53420213532 its reverse (23531202435), we get a palindrome (76951415967).

The spelling of 53420213532 in words is "fifty-three billion, four hundred twenty million, two hundred thirteen thousand, five hundred thirty-two".