55561051101 has 8 divisors (see below), whose sum is σ = 76471124224. Its totient is φ = 35845839360.

The previous prime is 55561051099. The next prime is 55561051111. The reversal of 55561051101 is 10115016555.

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

It is not a de Polignac number, because 55561051101 - 2¹ = 55561051099 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 (55561051111) 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, 298715236 + ... + 298715421.

It is an arithmetic number, because the mean of its divisors is an integer number (9558890528).

Almost surely, 2^55561051101 is an apocalyptic number.

It is an amenable number.

55561051101 is a deficient number, since it is larger than the sum of its proper divisors (20910073123).

55561051101 is a wasteful number, since it uses less digits than its factorization.

55561051101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597430691.

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 55561051101 its reverse (10115016555), we get a palindrome (65676067656).

The spelling of 55561051101 in words is "fifty-five billion, five hundred sixty-one million, fifty-one thousand, one hundred one".