55258504943 has 2 divisors, whose sum is σ = 55258504944. Its totient is φ = 55258504942.

The previous prime is 55258504909. The next prime is 55258504957. The reversal of 55258504943 is 34940585255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55258504943 - 2¹⁶ = 55258439407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55258504891 and 55258504900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55258504643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27629252471 + 27629252472.

It is an arithmetic number, because the mean of its divisors is an integer number (27629252472).

Almost surely, 2^55258504943 is an apocalyptic number.

55258504943 is a deficient number, since it is larger than the sum of its proper divisors (1).

55258504943 is an equidigital number, since it uses as much as digits as its factorization.

55258504943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 55258504943 in words is "fifty-five billion, two hundred fifty-eight million, five hundred four thousand, nine hundred forty-three".