52537427281020 has 384 divisors, whose sum is σ = 169241724352512. Its totient is φ = 12052714291200.

The previous prime is 52537427280967. The next prime is 52537427281021. The reversal of 52537427281020 is 2018272473525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52537427281021) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6209359590 + ... + 6209368050.

It is an arithmetic number, because the mean of its divisors is an integer number (440733657168).

Almost surely, 2^{52537427281020} 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 52537427281020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84620862176256).

52537427281020 is an abundant number, since it is smaller than the sum of its proper divisors (116704297071492).

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

52537427281020 is a wasteful number, since it uses less digits than its factorization.

52537427281020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12821 (or 12819 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 52537427281020 in words is "fifty-two trillion, five hundred thirty-seven billion, four hundred twenty-seven million, two hundred eighty-one thousand, twenty".