2055436643 has 12 divisors (see below), whose sum is σ = 2227029480. Its totient is φ = 1896201216.

The previous prime is 2055436637. The next prime is 2055436661. The reversal of 2055436643 is 3466345502.

It is a happy number.

It is not a de Polignac number, because 2055436643 - 2¹⁰ = 2055435619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2055436597 and 2055436606.

It is not an unprimeable number, because it can be changed into a prime (2055436633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452180 + ... + 456702.

It is an arithmetic number, because the mean of its divisors is an integer number (185585790).

Almost surely, 2^2055436643 is an apocalyptic number.

2055436643 is a deficient number, since it is larger than the sum of its proper divisors (171592837).

2055436643 is a wasteful number, since it uses less digits than its factorization.

2055436643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238 (or 7225 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The square root of 2055436643 is about 45336.9236164079. The cubic root of 2055436643 is about 1271.4560857266.

The spelling of 2055436643 in words is "two billion, fifty-five million, four hundred thirty-six thousand, six hundred forty-three".