2155443535 has 8 divisors (see below), whose sum is σ = 2956036896. Its totient is φ = 1478018400.

The previous prime is 2155443491. The next prime is 2155443541. The reversal of 2155443535 is 5353445512.

2155443535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2155443535 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2155443494 and 2155443503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30792016 + ... + 30792085.

It is an arithmetic number, because the mean of its divisors is an integer number (369504612).

Almost surely, 2^2155443535 is an apocalyptic number.

2155443535 is a deficient number, since it is larger than the sum of its proper divisors (800593361).

2155443535 is an equidigital number, since it uses as much as digits as its factorization.

2155443535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61584113.

The product of its digits is 180000, while the sum is 37.

The square root of 2155443535 is about 46426.7545171962. The cubic root of 2155443535 is about 1291.7512291129.

The spelling of 2155443535 in words is "two billion, one hundred fifty-five million, four hundred forty-three thousand, five hundred thirty-five".