55445101 has 8 divisors (see below), whose sum is σ = 56730240. Its totient is φ = 54164448.

The previous prime is 55445099. The next prime is 55445119. The reversal of 55445101 is 10154455.

It is a happy number.

55445101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55445101 - 2¹ = 55445099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55445141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43410 + ... + 44668.

It is an arithmetic number, because the mean of its divisors is an integer number (7091280).

Almost surely, 2^55445101 is an apocalyptic number.

It is an amenable number.

55445101 is a deficient number, since it is larger than the sum of its proper divisors (1285139).

55445101 is a wasteful number, since it uses less digits than its factorization.

55445101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 55445101 is about 7446.1467216272. The cubic root of 55445101 is about 381.3183686043.

Adding to 55445101 its reverse (10154455), we get a palindrome (65599556).

The spelling of 55445101 in words is "fifty-five million, four hundred forty-five thousand, one hundred one".