6562115550 has 72 divisors (see below), whose sum is σ = 17687283120. Its totient is φ = 1744233600.

The previous prime is 6562115543. The next prime is 6562115611. The reversal of 6562115550 is 555112656.

It is a super-2 number, since 2×6562115550² = 86122720983103605000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 116506 + ... + 163394.

It is an arithmetic number, because the mean of its divisors is an integer number (245656710).

Almost surely, 2^6562115550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6562115550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8843641560).

6562115550 is an abundant number, since it is smaller than the sum of its proper divisors (11125167570).

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

6562115550 is a wasteful number, since it uses less digits than its factorization.

6562115550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47218 (or 47210 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 6562115550 is about 81006.8858184290. The cubic root of 6562115550 is about 1872.1815361289.

The spelling of 6562115550 in words is "six billion, five hundred sixty-two million, one hundred fifteen thousand, five hundred fifty".