55561010600101 has 4 divisors (see below), whose sum is σ = 55561241634400. Its totient is φ = 55560779565804.

The previous prime is 55561010600099. The next prime is 55561010600119. The reversal of 55561010600101 is 10100601016555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55561010600101 - 2¹ = 55561010600099 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 (55561010600401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115156041 + ... + 115637518.

It is an arithmetic number, because the mean of its divisors is an integer number (13890310408600).

Almost surely, 2^{55561010600101} is an apocalyptic number.

It is an amenable number.

55561010600101 is a deficient number, since it is larger than the sum of its proper divisors (231034299).

55561010600101 is a wasteful number, since it uses less digits than its factorization.

55561010600101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231034298.

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 55561010600101 its reverse (10100601016555), we get a palindrome (65661611616656).

The spelling of 55561010600101 in words is "fifty-five trillion, five hundred sixty-one billion, ten million, six hundred thousand, one hundred one".