55503825577 has 2 divisors, whose sum is σ = 55503825578. Its totient is φ = 55503825576.

The previous prime is 55503825457. The next prime is 55503825583. The reversal of 55503825577 is 77552830555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55502176921 + 1648656 = 235589^2 + 1284^2 .

It is a cyclic number.

It is not a de Polignac number, because 55503825577 - 2²⁷ = 55369607849 is a prime.

It is not a weakly prime, because it can be changed into another prime (55503825077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27751912788 + 27751912789.

It is an arithmetic number, because the mean of its divisors is an integer number (27751912789).

Almost surely, 2^55503825577 is an apocalyptic number.

It is an amenable number.

55503825577 is a deficient number, since it is larger than the sum of its proper divisors (1).

55503825577 is an equidigital number, since it uses as much as digits as its factorization.

55503825577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350000, while the sum is 52.

The spelling of 55503825577 in words is "fifty-five billion, five hundred three million, eight hundred twenty-five thousand, five hundred seventy-seven".