52554032440 has 128 divisors (see below), whose sum is σ = 147584747520. Its totient is φ = 16398144000.

The previous prime is 52554032431. The next prime is 52554032491. The reversal of 52554032440 is 4423045525.

It is a junction number, because it is equal to n+sod(n) for n = 52554032396 and 52554032405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156765 + ... + 360115.

It is an arithmetic number, because the mean of its divisors is an integer number (1153005840).

Almost surely, 2^52554032440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52554032440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73792373760).

52554032440 is an abundant number, since it is smaller than the sum of its proper divisors (95030715080).

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

52554032440 is a wasteful number, since it uses less digits than its factorization.

52554032440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203453 (or 203449 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 52554032440 its reverse (4423045525), we get a palindrome (56977077965).

The spelling of 52554032440 in words is "fifty-two billion, five hundred fifty-four million, thirty-two thousand, four hundred forty".