55370101 has 4 divisors (see below), whose sum is σ = 55385100. Its totient is φ = 55355104.

The previous prime is 55370099. The next prime is 55370149. The reversal of 55370101 is 10107355.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10107355 = 5 ⋅2021471.

It can be written as a sum of positive squares in 2 ways, for example, as 30360100 + 25010001 = 5510^2 + 5001^2 .

It is a cyclic number.

It is not a de Polignac number, because 55370101 - 2¹ = 55370099 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 (55370171) 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, 2355 + ... + 10783.

It is an arithmetic number, because the mean of its divisors is an integer number (13846275).

Almost surely, 2^55370101 is an apocalyptic number.

It is an amenable number.

55370101 is a deficient number, since it is larger than the sum of its proper divisors (14999).

55370101 is an equidigital number, since it uses as much as digits as its factorization.

55370101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14998.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 55370101 is about 7441.1088555403. The cubic root of 55370101 is about 381.1463559169.

Adding to 55370101 its reverse (10107355), we get a palindrome (65477456).

The spelling of 55370101 in words is "fifty-five million, three hundred seventy thousand, one hundred one".