55944650837 has 2 divisors, whose sum is σ = 55944650838. Its totient is φ = 55944650836.

The previous prime is 55944650777. The next prime is 55944650857. The reversal of 55944650837 is 73805644955.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53817504196 + 2127146641 = 231986^2 + 46121^2 .

It is a cyclic number.

It is not a de Polignac number, because 55944650837 - 2⁸ = 55944650581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55944650857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27972325418 + 27972325419.

It is an arithmetic number, because the mean of its divisors is an integer number (27972325419).

Almost surely, 2^55944650837 is an apocalyptic number.

It is an amenable number.

55944650837 is a deficient number, since it is larger than the sum of its proper divisors (1).

55944650837 is an equidigital number, since it uses as much as digits as its factorization.

55944650837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 55944650837 in words is "fifty-five billion, nine hundred forty-four million, six hundred fifty thousand, eight hundred thirty-seven".