55000556101 has 4 divisors (see below), whose sum is σ = 55369687500. Its totient is φ = 54631424704.

The previous prime is 55000556011. The next prime is 55000556119. The reversal of 55000556101 is 10165500055.

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 5587712001 + 49412844100 = 74751^2 + 222290^2 .

It is a cyclic number.

It is not a de Polignac number, because 55000556101 - 2²³ = 54992167493 is a prime.

It is a super-2 number, since 2×55000556101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55000556101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000556131) 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, 184565476 + ... + 184565773.

It is an arithmetic number, because the mean of its divisors is an integer number (13842421875).

Almost surely, 2^55000556101 is an apocalyptic number.

It is an amenable number.

55000556101 is a deficient number, since it is larger than the sum of its proper divisors (369131399).

55000556101 is a wasteful number, since it uses less digits than its factorization.

55000556101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369131398.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 55000556101 in words is "fifty-five billion, five hundred fifty-six thousand, one hundred one".