52031541540 has 144 divisors (see below), whose sum is σ = 161362111680. Its totient is φ = 12517190400.

The previous prime is 52031541533. The next prime is 52031541557. The reversal of 52031541540 is 4514513025.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 52031541498 and 52031541507.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 923706 + ... + 978414.

It is an arithmetic number, because the mean of its divisors is an integer number (1120570220).

Almost surely, 2^52031541540 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 52031541540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80681055840).

52031541540 is an abundant number, since it is smaller than the sum of its proper divisors (109330570140).

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

52031541540 is a wasteful number, since it uses less digits than its factorization.

52031541540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54874 (or 54861 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 52031541540 in words is "fifty-two billion, thirty-one million, five hundred forty-one thousand, five hundred forty".