55643029323 has 24 divisors (see below), whose sum is σ = 86581048320. Its totient is φ = 31693752720.

The previous prime is 55643029313. The next prime is 55643029373. The reversal of 55643029323 is 32392034655.

It is not a de Polignac number, because 55643029323 - 2⁹ = 55643028811 is a prime.

It is a super-2 number, since 2×55643029323² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55643029313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 562843 + ... + 654276.

It is an arithmetic number, because the mean of its divisors is an integer number (3607543680).

Almost surely, 2^55643029323 is an apocalyptic number.

55643029323 is a deficient number, since it is larger than the sum of its proper divisors (30938018997).

55643029323 is a wasteful number, since it uses less digits than its factorization.

55643029323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217447 (or 1217440 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 55643029323 in words is "fifty-five billion, six hundred forty-three million, twenty-nine thousand, three hundred twenty-three".