55445450101 has 4 divisors (see below), whose sum is σ = 55447615692. Its totient is φ = 55443284512.

The previous prime is 55445450087. The next prime is 55445450119. The reversal of 55445450101 is 10105454455.

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 13184780625 + 42260669476 = 114825^2 + 205574^2 .

It is a cyclic number.

It is not a de Polignac number, because 55445450101 - 2⁷ = 55445449973 is a prime.

It is a super-3 number, since 3×55445450101³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55445450131) 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, 1043926 + ... + 1095751.

It is an arithmetic number, because the mean of its divisors is an integer number (13861903923).

Almost surely, 2^55445450101 is an apocalyptic number.

It is an amenable number.

55445450101 is a deficient number, since it is larger than the sum of its proper divisors (2165591).

55445450101 is a wasteful number, since it uses less digits than its factorization.

55445450101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165590.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 55445450101 in words is "fifty-five billion, four hundred forty-five million, four hundred fifty thousand, one hundred one".