52541651140 has 144 divisors (see below), whose sum is σ = 129201428160. Its totient is φ = 17792098560.

The previous prime is 52541651111. The next prime is 52541651147. The reversal of 52541651140 is 4115614525.

It is a junction number, because it is equal to n+sod(n) for n = 52541651096 and 52541651105.

It is not an unprimeable number, because it can be changed into a prime (52541651147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4680174 + ... + 4691386.

It is an arithmetic number, because the mean of its divisors is an integer number (897232140).

Almost surely, 2^52541651140 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 52541651140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64600714080).

52541651140 is an abundant number, since it is smaller than the sum of its proper divisors (76659777020).

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

52541651140 is a wasteful number, since it uses less digits than its factorization.

52541651140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11330 (or 11309 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 52541651140 in words is "fifty-two billion, five hundred forty-one million, six hundred fifty-one thousand, one hundred forty".