2155052352 has 112 divisors (see below), whose sum is σ = 6062472000. Its totient is φ = 673689600.

The previous prime is 2155052233. The next prime is 2155052363. The reversal of 2155052352 is 2532505512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365524 + ... + 371372.

Almost surely, 2^2155052352 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 2155052352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3031236000).

2155052352 is an abundant number, since it is smaller than the sum of its proper divisors (3907419648).

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

2155052352 is a wasteful number, since it uses less digits than its factorization.

2155052352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5984 (or 5974 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 2155052352 is about 46422.5414211674. The cubic root of 2155052352 is about 1291.6730794289.

Adding to 2155052352 its reverse (2532505512), we get a palindrome (4687557864).

The spelling of 2155052352 in words is "two billion, one hundred fifty-five million, fifty-two thousand, three hundred fifty-two".