2156883552 has 84 divisors (see below), whose sum is σ = 6366703140. Its totient is φ = 718953408.

The previous prime is 2156883529. The next prime is 2156883557. The reversal of 2156883552 is 2553886512.

2156883552 is a `hidden beast` number, since 2 + 1 + 568 + 8 + 35 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2156883498 and 2156883507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156883557) by changing a digit.

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 13 ways as a sum of consecutive naturals, for example, 22902 + ... + 69557.

It is an arithmetic number, because the mean of its divisors is an integer number (75794085).

Almost surely, 2^2156883552 is an apocalyptic number.

It is an amenable number.

2156883552 is an abundant number, since it is smaller than the sum of its proper divisors (4209819588).

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

2156883552 is an frugal number, since it uses more digits than its factorization.

2156883552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92487 (or 92464 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 2156883552 is about 46442.2604101049. The cubic root of 2156883552 is about 1292.0388311167.

The spelling of 2156883552 in words is "two billion, one hundred fifty-six million, eight hundred eighty-three thousand, five hundred fifty-two".