55010100005501 has 4 divisors (see below), whose sum is σ = 55128912316992. Its totient is φ = 54891287694012.

The previous prime is 55010100005407. The next prime is 55010100005521. The reversal of 55010100005501 is 10550000101055.

It is a happy number.

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 55010100005501 - 2¹⁰ = 55010100004477 is a prime.

It is a super-2 number, since 2×55010100005501² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55010100005521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59406155051 + ... + 59406155976.

It is an arithmetic number, because the mean of its divisors is an integer number (13782228079248).

Almost surely, 2^{55010100005501} is an apocalyptic number.

It is an amenable number.

55010100005501 is a deficient number, since it is larger than the sum of its proper divisors (118812311491).

55010100005501 is a wasteful number, since it uses less digits than its factorization.

55010100005501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118812311490.

The product of its (nonzero) digits is 625, while the sum is 23.

Adding to 55010100005501 its reverse (10550000101055), we get a palindrome (65560100106556).

The spelling of 55010100005501 in words is "fifty-five trillion, ten billion, one hundred million, five thousand, five hundred one".