55543032101 has 16 divisors (see below), whose sum is σ = 60917640000. Its totient is φ = 50439666816.

The previous prime is 55543032091. The next prime is 55543032119. The reversal of 55543032101 is 10123034555.

It is a cyclic number.

It is not a de Polignac number, because 55543032101 - 2¹⁸ = 55542769957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55543032121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286016 + ... + 439193.

It is an arithmetic number, because the mean of its divisors is an integer number (3807352500).

Almost surely, 2^55543032101 is an apocalyptic number.

It is an amenable number.

55543032101 is a deficient number, since it is larger than the sum of its proper divisors (5374607899).

55543032101 is a wasteful number, since it uses less digits than its factorization.

55543032101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725396.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 55543032101 its reverse (10123034555), we get a palindrome (65666066656).

The spelling of 55543032101 in words is "fifty-five billion, five hundred forty-three million, thirty-two thousand, one hundred one".