551086506353 has 4 divisors (see below), whose sum is σ = 551473778688. Its totient is φ = 550699234020.

The previous prime is 551086506349. The next prime is 551086506371. The reversal of 551086506353 is 353605680155.

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 551086506353 - 2² = 551086506349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551086506298 and 551086506307.

It is not an unprimeable number, because it can be changed into a prime (551086506053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193634033 + ... + 193636878.

It is an arithmetic number, because the mean of its divisors is an integer number (137868444672).

Almost surely, 2^551086506353 is an apocalyptic number.

It is an amenable number.

551086506353 is a deficient number, since it is larger than the sum of its proper divisors (387272335).

551086506353 is a wasteful number, since it uses less digits than its factorization.

551086506353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387272334.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 551086506353 in words is "five hundred fifty-one billion, eighty-six million, five hundred six thousand, three hundred fifty-three".