52540484311278 has 192 divisors, whose sum is σ = 125255344032000. Its totient is φ = 15856802652672.

The previous prime is 52540484311261. The next prime is 52540484311283. The reversal of 52540484311278 is 87211348404525.

52540484311278 is a `hidden beast` number, since 5 + 2 + 5 + 4 + 0 + 484 + 31 + 127 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 939923826 + ... + 939979722.

It is an arithmetic number, because the mean of its divisors is an integer number (652371583500).

Almost surely, 2^{52540484311278} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52540484311278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62627672016000).

52540484311278 is an abundant number, since it is smaller than the sum of its proper divisors (72714859720722).

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

52540484311278 is a wasteful number, since it uses less digits than its factorization.

52540484311278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57279 (or 57276 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 52540484311278 in words is "fifty-two trillion, five hundred forty billion, four hundred eighty-four million, three hundred eleven thousand, two hundred seventy-eight".