2172327552 has 128 divisors (see below), whose sum is σ = 6690384000. Its totient is φ = 692600832.

The previous prime is 2172327539. The next prime is 2172327601. The reversal of 2172327552 is 2557232712.

2172327552 is a `hidden beast` number, since 2 + 1 + 72 + 32 + 7 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65824 + ... + 93152.

It is an arithmetic number, because the mean of its divisors is an integer number (52268625).

Almost surely, 2^2172327552 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 2172327552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3345192000).

2172327552 is an abundant number, since it is smaller than the sum of its proper divisors (4518056448).

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

2172327552 is a wasteful number, since it uses less digits than its factorization.

2172327552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27375 (or 27357 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 2172327552 is about 46608.2348088833. The cubic root of 2172327552 is about 1295.1153084268.

The spelling of 2172327552 in words is "two billion, one hundred seventy-two million, three hundred twenty-seven thousand, five hundred fifty-two".