55272523 has 2 divisors, whose sum is σ = 55272524. Its totient is φ = 55272522.

The previous prime is 55272499. The next prime is 55272533. The reversal of 55272523 is 32527255.

55272523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55272523 is a prime.

It is equal to p_3297523 and since 55272523 and 3297523 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (55272533) 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, 27636261 + 27636262.

It is an arithmetic number, because the mean of its divisors is an integer number (27636262).

Almost surely, 2^55272523 is an apocalyptic number.

55272523 is a deficient number, since it is larger than the sum of its proper divisors (1).

55272523 is an equidigital number, since it uses as much as digits as its factorization.

55272523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21000, while the sum is 31.

The square root of 55272523 is about 7434.5492802187. The cubic root of 55272523 is about 380.9223278631.

Adding to 55272523 its reverse (32527255), we get a palindrome (87799778).

It can be divided in two parts, 5527252 and 3, that added together give a palindrome (5527255).

The spelling of 55272523 in words is "fifty-five million, two hundred seventy-two thousand, five hundred twenty-three".