52855115040 has 1728 divisors, whose sum is σ = 248627957760. Its totient is φ = 9963233280.

The previous prime is 52855115039. The next prime is 52855115069. The reversal of 52855115040 is 4051155825.

52855115040 is a `hidden beast` number, since 52 + 8 + 5 + 511 + 50 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52855114986 and 52855115004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 744438205 + ... + 744438275.

It is an arithmetic number, because the mean of its divisors is an integer number (143881920).

Almost surely, 2^52855115040 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 52855115040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124313978880).

52855115040 is an abundant number, since it is smaller than the sum of its proper divisors (195772842720).

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

52855115040 is a wasteful number, since it uses less digits than its factorization.

52855115040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The spelling of 52855115040 in words is "fifty-two billion, eight hundred fifty-five million, one hundred fifteen thousand, forty".