551340535 has 4 divisors (see below), whose sum is σ = 661608648. Its totient is φ = 441072424.

The previous prime is 551340533. The next prime is 551340553. The reversal of 551340535 is 535043155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551340535 - 2¹ = 551340533 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551340497 and 551340506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551340533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55134049 + ... + 55134058.

It is an arithmetic number, because the mean of its divisors is an integer number (165402162).

Almost surely, 2^551340535 is an apocalyptic number.

551340535 is a deficient number, since it is larger than the sum of its proper divisors (110268113).

551340535 is a wasteful number, since it uses less digits than its factorization.

551340535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110268112.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 551340535 is about 23480.6417075854. The cubic root of 551340535 is about 819.9863843664.

The spelling of 551340535 in words is "five hundred fifty-one million, three hundred forty thousand, five hundred thirty-five".