551885093 has 6 divisors (see below), whose sum is σ = 586258866. Its totient is φ = 519420992.

The previous prime is 551885057. The next prime is 551885099. The reversal of 551885093 is 390588155.

It can be written as a sum of positive squares in 3 ways, for example, as 354117124 + 197767969 = 18818^2 + 14063^2 .

It is not a de Polignac number, because 551885093 - 2²⁴ = 535107877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551885099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 954530 + ... + 955107.

It is an arithmetic number, because the mean of its divisors is an integer number (97709811).

Almost surely, 2^551885093 is an apocalyptic number.

It is an amenable number.

551885093 is a deficient number, since it is larger than the sum of its proper divisors (34373773).

551885093 is a wasteful number, since it uses less digits than its factorization.

551885093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909671 (or 1909654 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 44.

The square root of 551885093 is about 23492.2347383130. The cubic root of 551885093 is about 820.2562618653.

The spelling of 551885093 in words is "five hundred fifty-one million, eight hundred eighty-five thousand, ninety-three".