55246837 has 2 divisors, whose sum is σ = 55246838. Its totient is φ = 55246836.

The previous prime is 55246817. The next prime is 55246853. The reversal of 55246837 is 73864255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30902481 + 24344356 = 5559^2 + 4934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55246837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55246837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55246817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27623418 + 27623419.

It is an arithmetic number, because the mean of its divisors is an integer number (27623419).

Almost surely, 2^55246837 is an apocalyptic number.

It is an amenable number.

55246837 is a deficient number, since it is larger than the sum of its proper divisors (1).

55246837 is an equidigital number, since it uses as much as digits as its factorization.

55246837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 40.

The square root of 55246837 is about 7432.8216042093. The cubic root of 55246837 is about 380.8633118793.

The spelling of 55246837 in words is "fifty-five million, two hundred forty-six thousand, eight hundred thirty-seven".