52540045633020 has 192 divisors, whose sum is σ = 162922198473216. Its totient is φ = 12545004549120.

The previous prime is 52540045632983. The next prime is 52540045633039. The reversal of 52540045633020 is 2033654004525.

It is a self number, because there is not a number n which added to its sum of digits gives 52540045633020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10067022 + ... + 14367498.

It is an arithmetic number, because the mean of its divisors is an integer number (848553117048).

Almost surely, 2^{52540045633020} 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 52540045633020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81461099236608).

52540045633020 is an abundant number, since it is smaller than the sum of its proper divisors (110382152840196).

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

52540045633020 is a wasteful number, since it uses less digits than its factorization.

52540045633020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300780 (or 4300778 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 52540045633020 its reverse (2033654004525), we get a palindrome (54573699637545).

The spelling of 52540045633020 in words is "fifty-two trillion, five hundred forty billion, forty-five million, six hundred thirty-three thousand, twenty".