53552020344 has 32 divisors (see below), whose sum is σ = 134573741520. Its totient is φ = 17758181376.

The previous prime is 53552020343. The next prime is 53552020363. The reversal of 53552020344 is 44302025535.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53552020343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5776027 + ... + 5785290.

Almost surely, 2^53552020344 is an apocalyptic number.

It is an amenable number.

53552020344 is an abundant number, since it is smaller than the sum of its proper divisors (81021721176).

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

53552020344 is a wasteful number, since it uses less digits than its factorization.

53552020344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11561519 (or 11561515 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 53552020344 its reverse (44302025535), we get a palindrome (97854045879).

The spelling of 53552020344 in words is "fifty-three billion, five hundred fifty-two million, twenty thousand, three hundred forty-four".