55005353551 has 2 divisors, whose sum is σ = 55005353552. Its totient is φ = 55005353550.

The previous prime is 55005353531. The next prime is 55005353573. The reversal of 55005353551 is 15535350055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55005353551 - 2⁷ = 55005353423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55005353551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55005353521) 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, 27502676775 + 27502676776.

It is an arithmetic number, because the mean of its divisors is an integer number (27502676776).

Almost surely, 2^55005353551 is an apocalyptic number.

55005353551 is a deficient number, since it is larger than the sum of its proper divisors (1).

55005353551 is an equidigital number, since it uses as much as digits as its factorization.

55005353551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140625, while the sum is 37.

The spelling of 55005353551 in words is "fifty-five billion, five million, three hundred fifty-three thousand, five hundred fifty-one".