6155520252 has 96 divisors (see below), whose sum is σ = 16790968320. Its totient is φ = 1718530560.

The previous prime is 6155520221. The next prime is 6155520253. The reversal of 6155520252 is 2520255516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6155520253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4456602 + ... + 4457982.

It is an arithmetic number, because the mean of its divisors is an integer number (174905920).

Almost surely, 2^6155520252 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 6155520252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8395484160).

6155520252 is an abundant number, since it is smaller than the sum of its proper divisors (10635448068).

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

6155520252 is a wasteful number, since it uses less digits than its factorization.

6155520252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571 (or 2569 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 6155520252 is about 78457.1236536237. The cubic root of 6155520252 is about 1832.6868126352.

Adding to 6155520252 its reverse (2520255516), we get a palindrome (8675775768).

The spelling of 6155520252 in words is "six billion, one hundred fifty-five million, five hundred twenty thousand, two hundred fifty-two".