55244437 has 2 divisors, whose sum is σ = 55244438. Its totient is φ = 55244436.

The previous prime is 55244417. The next prime is 55244447. The reversal of 55244437 is 73444255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50041476 + 5202961 = 7074^2 + 2281^2 .

It is a cyclic number.

It is not a de Polignac number, because 55244437 - 2²³ = 46855829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55244417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27622218 + 27622219.

It is an arithmetic number, because the mean of its divisors is an integer number (27622219).

Almost surely, 2^55244437 is an apocalyptic number.

It is an amenable number.

55244437 is a deficient number, since it is larger than the sum of its proper divisors (1).

55244437 is an equidigital number, since it uses as much as digits as its factorization.

55244437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 34.

The square root of 55244437 is about 7432.6601563639. The cubic root of 55244437 is about 380.8577967209.

The spelling of 55244437 in words is "fifty-five million, two hundred forty-four thousand, four hundred thirty-seven".