52539423480 has 192 divisors, whose sum is σ = 180688734720. Its totient is φ = 13212460800.

The previous prime is 52539423467. The next prime is 52539423487. The reversal of 52539423480 is 8432493525.

52539423480 is a `hidden beast` number, since 5 + 2 + 539 + 4 + 2 + 34 + 80 = 666.

It is a super-2 number, since 2×52539423480² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52539423487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 543195 + ... + 632565.

It is an arithmetic number, because the mean of its divisors is an integer number (941087160).

Almost surely, 2^52539423480 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 52539423480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90344367360).

52539423480 is an abundant number, since it is smaller than the sum of its proper divisors (128149311240).

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

52539423480 is a wasteful number, since it uses less digits than its factorization.

52539423480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89482 (or 89475 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 52539423480 in words is "fifty-two billion, five hundred thirty-nine million, four hundred twenty-three thousand, four hundred eighty".