53523446420 has 96 divisors (see below), whose sum is σ = 115192627200. Its totient is φ = 20885364864.

The previous prime is 53523446419. The next prime is 53523446429. The reversal of 53523446420 is 2464432535.

It is a super-2 number, since 2×53523446420² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53523446429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72036569 + ... + 72037311.

It is an arithmetic number, because the mean of its divisors is an integer number (1199923200).

Almost surely, 2^53523446420 is an apocalyptic number.

It is an amenable number.

53523446420 is an abundant number, since it is smaller than the sum of its proper divisors (61669180780).

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

53523446420 is a wasteful number, since it uses less digits than its factorization.

53523446420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 53523446420 its reverse (2464432535), we get a palindrome (55987878955).

The spelling of 53523446420 in words is "fifty-three billion, five hundred twenty-three million, four hundred forty-six thousand, four hundred twenty".