55272131 has 2 divisors, whose sum is σ = 55272132. Its totient is φ = 55272130.

The previous prime is 55272109. The next prime is 55272179. The reversal of 55272131 is 13127255.

55272131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55272131 - 2⁶ = 55272067 is a prime.

It is a super-2 number, since 2×55272131² = 6110016930562322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55272131.

It is not a weakly prime, because it can be changed into another prime (55272181) 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 as a sum of consecutive naturals, namely, 27636065 + 27636066.

It is an arithmetic number, because the mean of its divisors is an integer number (27636066).

Almost surely, 2^55272131 is an apocalyptic number.

55272131 is a deficient number, since it is larger than the sum of its proper divisors (1).

55272131 is an equidigital number, since it uses as much as digits as its factorization.

55272131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 26.

The square root of 55272131 is about 7434.5229167715. The cubic root of 55272131 is about 380.9214273439.

Adding to 55272131 its reverse (13127255), we get a palindrome (68399386).

The spelling of 55272131 in words is "fifty-five million, two hundred seventy-two thousand, one hundred thirty-one".