2155553296 has 40 divisors (see below), whose sum is σ = 4652749080. Its totient is φ = 960562176.

The previous prime is 2155553293. The next prime is 2155553297. The reversal of 2155553296 is 6923555512.

It can be written as a sum of positive squares in 4 ways, for example, as 429981696 + 1725571600 = 20736^2 + 41540^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2155553291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172645 + ... + 184708.

It is an arithmetic number, because the mean of its divisors is an integer number (116318727).

Almost surely, 2^2155553296 is an apocalyptic number.

2155553296 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2155553296 is an abundant number, since it is smaller than the sum of its proper divisors (2497195784).

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

2155553296 is a wasteful number, since it uses less digits than its factorization.

2155553296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357403 (or 357397 counting only the distinct ones).

The product of its digits is 405000, while the sum is 43.

The square root of 2155553296 is about 46427.9365899455. The cubic root of 2155553296 is about 1291.7731552266.

The spelling of 2155553296 in words is "two billion, one hundred fifty-five million, five hundred fifty-three thousand, two hundred ninety-six".