55305052553 has 4 divisors (see below), whose sum is σ = 55305843840. Its totient is φ = 55304261268.

The previous prime is 55305052547. The next prime is 55305052567. The reversal of 55305052553 is 35525050355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55305052553 - 2¹² = 55305048457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55305042553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279425 + ... + 434382.

It is an arithmetic number, because the mean of its divisors is an integer number (13826460960).

Almost surely, 2^55305052553 is an apocalyptic number.

It is an amenable number.

55305052553 is a deficient number, since it is larger than the sum of its proper divisors (791287).

55305052553 is an equidigital number, since it uses as much as digits as its factorization.

55305052553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791286.

The product of its (nonzero) digits is 281250, while the sum is 38.

The spelling of 55305052553 in words is "fifty-five billion, three hundred five million, fifty-two thousand, five hundred fifty-three".