55247101 has 16 divisors (see below), whose sum is σ = 68681088. Its totient is φ = 43272000.

The previous prime is 55247099. The next prime is 55247119. The reversal of 55247101 is 10174255.

55247101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55247101 - 2¹ = 55247099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55247141) 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 15 ways as a sum of consecutive naturals, for example, 6186 + ... + 12196.

It is an arithmetic number, because the mean of its divisors is an integer number (4292568).

Almost surely, 2^55247101 is an apocalyptic number.

It is an amenable number.

55247101 is a deficient number, since it is larger than the sum of its proper divisors (13433987).

55247101 is a wasteful number, since it uses less digits than its factorization.

55247101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6132.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 55247101 is about 7432.8393632582. The cubic root of 55247101 is about 380.8639185370.

The spelling of 55247101 in words is "fifty-five million, two hundred forty-seven thousand, one hundred one".