55272123 has 6 divisors (see below), whose sum is σ = 79837524. Its totient is φ = 36848076.

The previous prime is 55272109. The next prime is 55272131. The reversal of 55272123 is 32127255.

It is not a de Polignac number, because 55272123 - 2¹⁶ = 55206587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55272103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3070665 + ... + 3070682.

It is an arithmetic number, because the mean of its divisors is an integer number (13306254).

Almost surely, 2^55272123 is an apocalyptic number.

55272123 is a deficient number, since it is larger than the sum of its proper divisors (24565401).

55272123 is a wasteful number, since it uses less digits than its factorization.

55272123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141353 (or 6141350 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 55272123 is about 7434.5223787410. The cubic root of 55272123 is about 380.9214089659.

Adding to 55272123 its reverse (32127255), we get a palindrome (87399378).

The spelling of 55272123 in words is "fifty-five million, two hundred seventy-two thousand, one hundred twenty-three".