55305101 has 4 divisors (see below), whose sum is σ = 56211804. Its totient is φ = 54398400.

The previous prime is 55305079. The next prime is 55305127. The reversal of 55305101 is 10150355.

It is a happy number.

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 15602500 + 39702601 = 3950^2 + 6301^2 .

It is a cyclic number.

It is not a de Polignac number, because 55305101 - 2⁶ = 55305037 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 (55305191) 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, 453260 + ... + 453381.

It is an arithmetic number, because the mean of its divisors is an integer number (14052951).

Almost surely, 2^55305101 is an apocalyptic number.

It is an amenable number.

55305101 is a deficient number, since it is larger than the sum of its proper divisors (906703).

55305101 is an equidigital number, since it uses as much as digits as its factorization.

55305101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906702.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 55305101 is about 7436.7399443573. The cubic root of 55305101 is about 380.9971525656.

Adding to 55305101 its reverse (10150355), we get a palindrome (65455456).

The spelling of 55305101 in words is "fifty-five million, three hundred five thousand, one hundred one".