551092913 has 4 divisors (see below), whose sum is σ = 629820480. Its totient is φ = 472365348.

The previous prime is 551092877. The next prime is 551092939. The reversal of 551092913 is 319290155.

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 not a de Polignac number, because 551092913 - 2¹⁰ = 551091889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551092963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39363773 + ... + 39363786.

It is an arithmetic number, because the mean of its divisors is an integer number (157455120).

Almost surely, 2^551092913 is an apocalyptic number.

It is an amenable number.

551092913 is a deficient number, since it is larger than the sum of its proper divisors (78727567).

551092913 is an equidigital number, since it uses as much as digits as its factorization.

551092913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78727566.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 551092913 is about 23475.3682186244. The cubic root of 551092913 is about 819.8636066026.

The spelling of 551092913 in words is "five hundred fifty-one million, ninety-two thousand, nine hundred thirteen".