55520443101 has 8 divisors (see below), whose sum is σ = 74964311680. Its totient is φ = 36545101632.

The previous prime is 55520443063. The next prime is 55520443117. The reversal of 55520443101 is 10134402555.

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

It is not a de Polignac number, because 55520443101 - 2¹⁰ = 55520442077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55520442101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117131500 + ... + 117131973.

It is an arithmetic number, because the mean of its divisors is an integer number (9370538960).

Almost surely, 2^55520443101 is an apocalyptic number.

It is an amenable number.

55520443101 is a deficient number, since it is larger than the sum of its proper divisors (19443868579).

55520443101 is a wasteful number, since it uses less digits than its factorization.

55520443101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234263555.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 55520443101 its reverse (10134402555), we get a palindrome (65654845656).

The spelling of 55520443101 in words is "fifty-five billion, five hundred twenty million, four hundred forty-three thousand, one hundred one".