55100101001 has 8 divisors (see below), whose sum is σ = 60582503424. Its totient is φ = 49696582320.

The previous prime is 55100100997. The next prime is 55100101019. The reversal of 55100101001 is 10010100155.

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

It is not a de Polignac number, because 55100101001 - 2² = 55100100997 is a prime.

It is a super-2 number, since 2×55100101001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55100101081) 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, 19719470 + ... + 19722263.

It is an arithmetic number, because the mean of its divisors is an integer number (7572812928).

Almost surely, 2^55100101001 is an apocalyptic number.

It is an amenable number.

55100101001 is a deficient number, since it is larger than the sum of its proper divisors (5482402423).

55100101001 is a wasteful number, since it uses less digits than its factorization.

55100101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39441871.

The product of its (nonzero) digits is 25, while the sum is 14.

Adding to 55100101001 its reverse (10010100155), we get a palindrome (65110201156).

It can be divided in two parts, 55 and 100101001, that multiplied together give a palindrome (5505555055).

The spelling of 55100101001 in words is "fifty-five billion, one hundred million, one hundred one thousand, one".