55272037 has 2 divisors, whose sum is σ = 55272038. Its totient is φ = 55272036.

The previous prime is 55272031. The next prime is 55272053. The reversal of 55272037 is 73027255.

55272037 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 can be written as a sum of positive squares in only one way, i.e., 44076321 + 11195716 = 6639^2 + 3346^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55272037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55272031) 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, 27636018 + 27636019.

It is an arithmetic number, because the mean of its divisors is an integer number (27636019).

Almost surely, 2^55272037 is an apocalyptic number.

It is an amenable number.

55272037 is a deficient number, since it is larger than the sum of its proper divisors (1).

55272037 is an equidigital number, since it uses as much as digits as its factorization.

55272037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 55272037 is about 7434.5165949105. The cubic root of 55272037 is about 380.9212114024.

The spelling of 55272037 in words is "fifty-five million, two hundred seventy-two thousand, thirty-seven".