551053393 has 4 divisors (see below), whose sum is σ = 601149168. Its totient is φ = 500957620.

The previous prime is 551053357. The next prime is 551053397. The reversal of 551053393 is 393350155.

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 551053393 - 2⁹ = 551052881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551053397) 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, 25047871 + ... + 25047892.

It is an arithmetic number, because the mean of its divisors is an integer number (150287292).

Almost surely, 2^551053393 is an apocalyptic number.

It is an amenable number.

551053393 is a deficient number, since it is larger than the sum of its proper divisors (50095775).

551053393 is a wasteful number, since it uses less digits than its factorization.

551053393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50095774.

The product of its (nonzero) digits is 30375, while the sum is 34.

The square root of 551053393 is about 23474.5264701974. The cubic root of 551053393 is about 819.8440081020.

The spelling of 551053393 in words is "five hundred fifty-one million, fifty-three thousand, three hundred ninety-three".