5250540540 has 96 divisors (see below), whose sum is σ = 16862759424. Its totient is φ = 1195764480.

The previous prime is 5250540527. The next prime is 5250540557. The reversal of 5250540540 is 450450525.

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 = 5250540498 and 5250540507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93775 + ... + 138905.

It is an arithmetic number, because the mean of its divisors is an integer number (175653744).

Almost surely, 2^5250540540 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 5250540540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8431379712).

5250540540 is an abundant number, since it is smaller than the sum of its proper divisors (11612218884).

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

5250540540 is a wasteful number, since it uses less digits than its factorization.

5250540540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45427 (or 45425 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 5250540540 is about 72460.6137153143. The cubic root of 5250540540 is about 1738.0729690134.

The spelling of 5250540540 in words is "five billion, two hundred fifty million, five hundred forty thousand, five hundred forty".