2155549504 has 28 divisors (see below), whose sum is σ = 4301337600. Its totient is φ = 1071747968.

The previous prime is 2155549499. The next prime is 2155549511. The reversal of 2155549504 is 4059455512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82624 + ... + 105535.

It is an arithmetic number, because the mean of its divisors is an integer number (153619200).

Almost surely, 2^2155549504 is an apocalyptic number.

It is an amenable number.

2155549504 is a deficient number, since it is larger than the sum of its proper divisors (2145788096).

2155549504 is a wasteful number, since it uses less digits than its factorization.

2155549504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188350 (or 188340 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 2155549504 is about 46427.8957524461. The cubic root of 2155549504 is about 1291.7723977402.

The spelling of 2155549504 in words is "two billion, one hundred fifty-five million, five hundred forty-nine thousand, five hundred four".