55561106001 has 8 divisors (see below), whose sum is σ = 78439208544. Its totient is φ = 34861870400.

The previous prime is 55561105973. The next prime is 55561106009. The reversal of 55561106001 is 10060116555.

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

It is a cyclic number.

It is not a de Polignac number, because 55561106001 - 2⁵ = 55561105969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55561106001.

It is not an unprimeable number, because it can be changed into a prime (55561106009) 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, 544716675 + ... + 544716776.

It is an arithmetic number, because the mean of its divisors is an integer number (9804901068).

Almost surely, 2^55561106001 is an apocalyptic number.

55561106001 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

55561106001 is a deficient number, since it is larger than the sum of its proper divisors (22878102543).

55561106001 is a wasteful number, since it uses less digits than its factorization.

55561106001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089433471.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 55561106001 in words is "fifty-five billion, five hundred sixty-one million, one hundred six thousand, one".