55361763553 has 4 divisors (see below), whose sum is σ = 55371342528. Its totient is φ = 55352184580.

The previous prime is 55361763529. The next prime is 55361763641. The reversal of 55361763553 is 35536716355.

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 55361763553 - 2²⁹ = 54824892641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55361763497 and 55361763506.

It is not an unprimeable number, because it can be changed into a prime (55361763503) 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 in 3 ways as a sum of consecutive naturals, for example, 4780813 + ... + 4792378.

It is an arithmetic number, because the mean of its divisors is an integer number (13842835632).

Almost surely, 2^55361763553 is an apocalyptic number.

It is an amenable number.

55361763553 is a deficient number, since it is larger than the sum of its proper divisors (9578975).

55361763553 is an equidigital number, since it uses as much as digits as its factorization.

55361763553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9578974.

The product of its digits is 4252500, while the sum is 49.

The spelling of 55361763553 in words is "fifty-five billion, three hundred sixty-one million, seven hundred sixty-three thousand, five hundred fifty-three".