52253124540 has 96 divisors (see below), whose sum is σ = 153394407936. Its totient is φ = 13265091840.

The previous prime is 52253124509. The next prime is 52253124541. The reversal of 52253124540 is 4542135225.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52253124541) by changing a digit.

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, 201454 + ... + 380906.

It is an arithmetic number, because the mean of its divisors is an integer number (1597858416).

Almost surely, 2^52253124540 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 52253124540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76697203968).

52253124540 is an abundant number, since it is smaller than the sum of its proper divisors (101141283396).

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

52253124540 is a wasteful number, since it uses less digits than its factorization.

52253124540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179699 (or 179697 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 52253124540 its reverse (4542135225), we get a palindrome (56795259765).

The spelling of 52253124540 in words is "fifty-two billion, two hundred fifty-three million, one hundred twenty-four thousand, five hundred forty".