55461612001 has 4 divisors (see below), whose sum is σ = 55479877012. Its totient is φ = 55443346992.

The previous prime is 55461611981. The next prime is 55461612007. The reversal of 55461612001 is 10021616455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51494501776 + 3967110225 = 226924^2 + 62985^2 .

It is a cyclic number.

It is not a de Polignac number, because 55461612001 - 2⁵ = 55461611969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55461612007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9127950 + ... + 9134023.

It is an arithmetic number, because the mean of its divisors is an integer number (13869969253).

Almost surely, 2^55461612001 is an apocalyptic number.

It is an amenable number.

55461612001 is a deficient number, since it is larger than the sum of its proper divisors (18265011).

55461612001 is a wasteful number, since it uses less digits than its factorization.

55461612001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18265010.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 55461612001 in words is "fifty-five billion, four hundred sixty-one million, six hundred twelve thousand, one".