55243524437 has 2 divisors, whose sum is σ = 55243524438. Its totient is φ = 55243524436.

The previous prime is 55243524419. The next prime is 55243524467. The reversal of 55243524437 is 73442534255.

55243524437 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., 32859175441 + 22384348996 = 181271^2 + 149614^2 .

It is a cyclic number.

It is not a de Polignac number, because 55243524437 - 2⁸ = 55243524181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55243524467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27621762218 + 27621762219.

It is an arithmetic number, because the mean of its divisors is an integer number (27621762219).

Almost surely, 2^55243524437 is an apocalyptic number.

It is an amenable number.

55243524437 is a deficient number, since it is larger than the sum of its proper divisors (1).

55243524437 is an equidigital number, since it uses as much as digits as its factorization.

55243524437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016000, while the sum is 44.

The spelling of 55243524437 in words is "fifty-five billion, two hundred forty-three million, five hundred twenty-four thousand, four hundred thirty-seven".